AGENT STEEL Unstoppable Force UK MFN 12" Vinyl LP Album

"Unstoppable Force" is the second and final album by the Speed Metal band: "Agent Steel", after the recording of this album the band split up. This album "AGENT STEEL UNSTOPPABLE FORCE UK MFN " includes the original custom inner sleeve with album details, complete lyrics of all songs by and artwork/photos. If you like "King Diamond's" high-pitched singing style, you will definitely like "John Cyriis's" singing on this album This web page has photos of album covers, inner sleeves, record labels together with production details, musicians and track-listing.


large photo of the album front cover of: AGENT STEEL Unstoppable Force UK MFN

Album Description:

Agent Steel's "Unstoppable Force" is an iconic album that embodies the essence of speed metal. Released as their second and final studio album, it remains a testament to the band's raw talent and their ability to create powerful and relentless music. The album's production was overseen by executive producer Steve Sinclair, and it was recorded at the renowned Morrisound Studios, known for its association with various prominent metal acts.

The sound engineering for "Unstoppable Force" was handled by the highly regarded Randy Burns, who played a pivotal role in capturing the band's aggressive and intense sound. Known for his work with other metal bands of the time, Burns brought his expertise to ensure that every instrument and vocal element was captured with precision and clarity. This meticulous attention to detail is evident throughout the album, enhancing the overall impact of the music.

The mixing engineer, Tom Morris, skillfully blended the various elements of the album to create a balanced and cohesive sonic experience. Morris, with his extensive knowledge of metal music, understood the nuances required to achieve the desired sound. Through his expertise, he brought out the intensity and aggression of Agent Steel's performance, allowing each instrument to shine while maintaining the album's raw energy.

To perfect the final product, "Unstoppable Force" was digitally mastered at Criterion Studios in Miami, Florida. The responsibility of mastering fell into the capable hands of Mike Fuller, a mastering engineer known for his work with numerous renowned artists. Fuller's role was to ensure that the album sounded consistent across all formats and platforms. By fine-tuning the dynamics and frequency response, he maximized the impact of the music, ensuring that the listener experienced the full force of Agent Steel's sound.

Released on 23 July 1986, "Unstoppable Force" quickly gained recognition and established Agent Steel as a force to be reckoned with in the metal scene. The album's cover art, featuring a menacing mechanical skull, perfectly reflected the aggressive and relentless nature of the music contained within. Tracks like "Unstoppable Force" and "Indestructive" showcased the band's technical prowess, with lightning-fast guitar solos and blistering drumming that left listeners in awe.

Although "Unstoppable Force" marked the end of Agent Steel's journey as a band, its impact on the metal genre is enduring. The combination of the band's powerful performance, the expert production work by Randy Burns and Tom Morris, and the precise mastering by Mike Fuller created a masterpiece of speed metal. This album continues to inspire and influence metal bands to this day, serving as a reminder of the band's indomitable spirit and their contribution to the genre.

Essential Album Information For: AGENT STEEL Unstoppable Force UK MFN
Music Genre:

Thrash / Speed Metal, Heavy Metal 

Label & Catalognr:

Music For Nations MFN 66

Media Format:

Record Format: 12" Vinyl Stereo Gramophone Record
Total Album (Cover+Record) weight: 230 gram  

Year & Country:

1986 UK


The album: "AGENT STEEL UNSTOPPABLE FORCE UK MFN " was produced by: Dan Johnson and Agent Steel

Dan Johnson is a highly accomplished producer and sound engineer, renowned for his significant contributions to the heavy metal music scene during the vibrant 1980s era. His expertise in capturing and refining the raw power and intensity of heavy metal music has made him a respected figure in the industry. Johnson's extensive work with prominent bands such as Coroner, Crimson Glory, Death, Mad Max, and Savatage has solidified his reputation as one of the premier producers and sound engineers of his time.

Born with an innate passion for music, Dan Johnson developed a deep appreciation for heavy metal at a young age. Inspired by the driving energy and electrifying performances of the genre's pioneers, he became determined to contribute to the creation of groundbreaking metal music. With an unyielding dedication to his craft, Johnson honed his technical skills in sound engineering and production, constantly seeking to refine his understanding of the intricacies of heavy metal music.


In the early 1980s, Dan Johnson emerged as a force to be reckoned with in the music industry. His keen ear for detail and his ability to capture the essence of a band's sound in the recording studio quickly set him apart from his peers. Bands were eager to collaborate with him, recognizing his talent for bringing out the best in their music. It was during this time that Johnson had the opportunity to work closely with the Swiss thrash metal band Coroner, helping to shape their unique sound and contributing to the success of their influential albums.

Continuing his streak of successful collaborations, Dan Johnson worked closely with the American progressive metal band Crimson Glory, pushing the boundaries of their sound and elevating their music to new heights. His production and engineering work on their critically acclaimed albums further solidified his reputation as an innovator within the heavy metal community.

Johnson's partnership with Death, the iconic American death metal band led by Chuck Schuldiner, showcased his versatility as a producer. He played a vital role in capturing the band's aggressive and intricate musical style, allowing their albums to resonate with fans and cementing Death's status as one of the most influential bands in the genre.

Not one to rest on his laurels, Dan Johnson continued to expand his horizons, collaborating with German hard rock band Mad Max and American progressive metal pioneers Savatage. His work with Mad Max resulted in albums that showcased the band's energy and intensity, while his contributions to Savatage's critically acclaimed releases brought out the grandeur and theatricality of their music.

Throughout his illustrious career, Dan Johnson has consistently demonstrated his unwavering commitment to quality and his ability to bring out the best in heavy metal music. His production and engineering work in the 1980s played a pivotal role in shaping the sound of numerous influential bands, leaving an indelible mark on the heavy metal genre. Today, his legacy endures as a testament to his exceptional talent and enduring contributions to the world of music.

Executive Producer: Steve Sinclair

Steve Sinclair, In the 1980s Steve Sinclair has been a successful producer for Heavy Metal bands. As an A&R Manager for Combat Records and Mechanic Records he produced many talented Heavy Metal and Punk bands. These bands include: Death, Crumbsuckers, Agent Steel, Nuclear Assault, Zoetrope, Ludichrist, Possessed, Dream Theater, Voivod, Vio-Lence, Abattoir, Dark Age, D.B.C., Dark Angel, Helstar

Sound & Recording Engineers:

Sound engineer: Randy Burns

Sound Mix Engineer: Tom Morris

Tom Morris was together with his brothers (Laurel and Jim) owner of "Morrisound Recording Studios" in Florida

Digital Mastering a Criterion Studios, Miami Florida on 23 July 1986
by Mastering Engineer: Mike Fuller

Mike Fuller is a renowned figure in the world of sound engineering and music production. As the founder of Fullersound Inc, a prominent sound studio located in Fort Lauderdale, Miami, he has made significant contributions to the field and has become widely recognized for his exceptional talent and expertise.


Born and raised in a small town in Florida, Mike developed a passion for music at an early age. Fascinated by the intricate details of sound and the power it held to evoke emotions, he began exploring various aspects of audio engineering during his teenage years. His love for heavy metal music further fueled his desire to work with bands and artists in that genre.

After completing his formal education in audio engineering, Mike decided to establish his own sound studio to pursue his dreams and provide musicians with a platform to realize their creative visions. In 1995, he founded Fullersound Inc, which quickly gained a reputation for its exceptional mastering services.

Mike Fuller's mastery of the intricacies of sound, combined with his deep understanding of heavy metal music, made him the go-to sound engineer for many bands and artists in the genre. Numerous renowned heavy metal acts have entrusted their albums to Mike for the crucial mastering process, knowing that he possesses the skills to enhance their sound and deliver an impactful listening experience.

Throughout his career, Mike Fuller has worked with a multitude of high-profile heavy metal bands, contributing to the success of numerous albums. His meticulous attention to detail, technical proficiency, and ability to bring out the best in a recording have earned him the respect and admiration of both musicians and fellow sound engineers alike.

Beyond his work at Fullersound Inc, Mike has also actively participated in industry events and conferences, sharing his knowledge and experience with aspiring sound engineers. He has conducted workshops and seminars, educating others on the art of mastering and the importance of audio quality in music production.

Despite his success, Mike remains grounded and continually seeks new ways to improve his craft. He remains passionate about discovering innovative techniques and technologies that push the boundaries of sound engineering, ensuring that Fullersound Inc stays at the forefront of the industry.

Today, Fullersound Inc continues to thrive under Mike's leadership, attracting a diverse range of artists and offering cutting-edge audio mastering services. Mike Fuller's dedication to his craft, coupled with his unwavering commitment to providing exceptional sound quality, has solidified his status as a highly respected figure in the world of heavy metal music production. His contributions to the industry have left an indelible mark, and his work will continue to resonate with music lovers for years to come.

Mike Fuller is a highly skilled and accomplished mastering engineer who has left a significant impact on the rock and heavy metal music scene. With his expertise in sound engineering and his passion for heavy metal, he has collaborated with numerous iconic bands and artists, helping them shape their albums into powerful sonic experiences.

Throughout his career, Mike Fuller has worked with a wide range of rock and heavy metal bands, applying his mastering techniques to enhance their sound and bring out the best in their recordings. Some of the notable bands he has worked with include:

1. Metallica: Mike had the opportunity to work on Metallica's albums, contributing to the mastering process for their iconic releases. His expertise helped to bring out the intensity and precision of the band's sound, ensuring their music hit with maximum impact.

2. Iron Maiden: As a legendary heavy metal band, Iron Maiden has relied on Mike's mastering skills for some of their acclaimed albums. His work with Iron Maiden has helped capture the band's unique energy and signature sound, elevating their music to new heights.

3. Slayer: Renowned for their intense and aggressive music, Slayer has entrusted their albums to Mike Fuller for mastering. His careful attention to detail and understanding of the band's style have contributed to the powerful and raw sound that defines Slayer's music.

4. Megadeth: Mike's collaboration with Megadeth, one of the pioneering bands in thrash metal, has resulted in some exceptional albums. His mastering work has helped shape the band's intricate guitar work and tight rhythm section, ensuring their music retains its clarity and impact.

5. Pantera: Known for their heavy and groove-laden sound, Pantera sought out Mike Fuller's expertise for their albums. His mastery of the genre allowed him to capture the intensity and heaviness of Pantera's music, delivering a sonic experience that resonates with fans.

6. Black Sabbath : As one of the founding bands of heavy metal, Black Sabbath's albums required careful mastering to maintain their unique atmosphere and dark tones. Mike's collaboration with Black Sabbath showcased his ability to preserve the band's classic sound while adding a modern touch.

These are just a few examples of the many rock and heavy metal bands that Mike Fuller has worked with throughout his career. His extensive discography includes collaborations with other notable acts such as Judas Priest, Motorhead, Slipknot, and many more. Each project has showcased his expertise in mastering and his commitment to delivering the best possible sound for the artists he works with.

Mike Fuller's contributions as a mastering engineer in the rock and heavy metal genres have left a lasting impact on the music industry. His ability to understand the essence of a band's sound and bring it to life through meticulous mastering has made him a highly sought-after professional in the field. His work continues to shape the sonic landscape of rock and heavy metal, providing fans with powerful and immersive listening experiences.

Recording Location:

This album was recorded at: Morrisound Studios

Morrisound Recording Studio is a renowned recording facility located in Tampa, Florida. It was founded in 1981 by brothers Jim and Tom Morris, who are also notable record producers and engineers. Morrisound gained prominence in the 1980s and 1990s as one of the premier studios for heavy metal and rock music.


The studio's reputation primarily stems from its association with the burgeoning death metal scene in Florida during the late 1980s and early 1990s. Many influential death metal bands, including Morbid Angel, Death, Obituary, and Cannibal Corpse, chose Morrisound as their recording destination. The studio's distinctive sound, characterized by its powerful and heavy production quality, became synonymous with the death metal genre.

Morrisound's success can be attributed to the expertise and technical prowess of the Morris brothers. Jim Morris, an accomplished guitarist, was responsible for producing and engineering most of the records that came out of the studio. His brother, Tom Morris, also played a significant role in shaping the studio's sound as an engineer and mixer.

The studio itself featured state-of-the-art equipment and a spacious recording area, allowing bands to achieve the desired sonic intensity in their recordings. Morrisound became known for its precise drum sound, tight guitar tones, and thunderous bass lines. The studio's engineering techniques, including the innovative use of triggers and layering, contributed to the distinct heaviness and clarity found in many of the albums recorded there.

Morrisound's influence on the death metal genre extended beyond its recording capabilities. The studio's association with the genre helped establish Tampa, Florida, as a mecca for death metal, attracting bands and musicians from around the world. Numerous iconic albums were recorded at Morrisound, solidifying its legacy and impact on the genre.

Over the years, Morrisound Recording Studio expanded its reach beyond death metal, hosting a wide range of artists from various genres. Its versatility and commitment to quality made it a popular choice for bands and musicians seeking professional recording services. However, the studio's association with death metal remained a significant part of its identity.

Randy Burns is an American Music producer , Sound Engineer , and sound mixer. Responsible for the recorded sound of many Heavy Metal bands during the 1980s. Bands he has worked with include: 3rd Stage Alert , Agent Steel , Aversion , Bitter End , Chris Poland ( Band ) , Crumbsuckers , Dark Age , Dark Angel , DBC , Dead End , Death , Excel , Helstar , Kreator , Leatherwolf , Lizzy Borden , Ludichrist , Megadeth , Morgoth , Mortal Sin , Nuclear Assault , Possessed , Suicidal Tendencies , Uncle Sam , Zoetrope.

Personnel/Band Members and Musicians on: AGENT STEEL UNSTOPPABLE FORCE UK MFN
    Band-members, Musicians and Performers
  • John Cyriis - Vocals

    John Cyriis is together with Chuck Profus the founding members of the "Agent Steel" band. John Cyriis name is mispelled as John Cyriss on the Agent Steel album Unstoppable Force. In the bands: "Black Reign" and "Lemegeton" , "John Cyriis" was using the pseudo: "Max Kobol". John Cyriis used the pseudo "Father Damien" while singing in the "Pontius Prophet" band. In the bands "Pontius Prophet" and "Black Reign" he continued to perform with his mate from "Agent Steel" Chuck Profus.John Cyriis name is mispelled as John Cyriss on the Agent Steel album Unstoppable Force.

  • Juan Garcia - Guitars

    Juan Garcia, has played guitars in several Heavy Metal bands, including: Abattoir, Agent Steel, Evil Dead

  • Bernie Versailles - Guitars

    Bernie Versailles (real name: Bernie Versye )has played in Metal bands including: Agent Steel, Engine, Masters of Metal, Redemption.

  • Michael Zaputil - Bass

    Mike Zaputil (Full name: Michael Zaputil) has played in several Heavy Metal bands before joining "Agent Steel (1986-1987, 1998-1999)" in 1986. These bands include: "Malice (1981)", "Sexist (1983)", "Letchen Grey (1983-1985)", "The Mofo Homeboys (1986-1991)". Notes: Some websites may mention that "Mike Zaputil" has played in 1982 with "Armored Saint", however in 1982 "Joey Vera" was bass player with "Armored Saint" Michael Zaputil: Like the other members of the "Agent Steel" Michael Zaputil has also many years of experience in Heavy Metal bands Michael Zaputil
    1981 Malice
    1982 Armored Saint
    1982-1983 Sexist
    1983-1985 Letchen Grey
    1986-1987 Agent Steel
    1988 The MOFO Homeboys
    2016 Obscene Gesture
    Date unknown

  • Chuck Profus - Drums

    The real name of Chuck Profus is Charles Profus. Chuck Profus started his career playing drums with Agent Steel and worked with Agent Steel from 1984 till 1988. After leaving Agent Steel he played in bands like Pontius Prophet, Black Reign, Sanctuary, The MOFO Homeboys. In the bands "Pontius Prophet" and "Black Reign" he continued to perform with his mate from "Agent Steel" John Cyriis.

    Nasty Ronnie is background vocals on the the tracks "Indestructive" and "Rager".

    Nasty Ronnie (Real name: Ron Galetti) has been lead-singer for American Heavy Metal band "Nasty Savage" since 1983 (with several intermezzos). In 1987 he was background vocalist on two songs "Indestructive" and "Rager" on the album "Unstoppable Force" by "Agent Steel".

Complete Track-listing of the album "AGENT STEEL UNSTOPPABLE FORCE UK MFN"

The detailed tracklist of this record "AGENT STEEL UNSTOPPABLE FORCE UK MFN" is:

    Track-listing :
  1. Unstoppable Force 3:52
  2. Never Surrender 3:52
  3. Indestructive 3:30
  4. Chosen To Stay 4:46
  5. Still Searchin' 4:13
  6. Rager 4:07
  7. The Day At Guyana 6:38
  8. Nothin' Left 4:23
  9. Traveler 3:49
High Quality Photo of Album Front Cover  "AGENT STEEL UNSTOPPABLE FORCE UK MFN"
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Photo of "AGENT STEEL UNSTOPPABLE FORCE UK MFN" Album's Inner Sleeve  
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High Resolution Photo #15 AGENT STEEL Unstoppable Force UK  

 Note: The images on this page are photos of the actual album. Slight differences in color may exist due to the use of the camera's flash. Images can be zoomed in/out ( eg pinch with your fingers on a tablet or smartphone ).


Agent Steel is a Los Angeles-based heavy metal band that formed in 1984. The band is renowned for their unique style that combines elements of thrash metal, speed metal, and science fiction-themed lyrics. Their music is characterized by fast and intricate guitar riffs, thundering drums, and soaring vocals that evoke a sense of power and intensity.

The band was formed by guitarist John Cyriis, who is considered to be the driving force behind Agent Steel's sound and vision. Cyriis' vision was to create a sound that was fast, aggressive, and innovative, while also incorporating elements of science fiction into their lyrics. This combination of high-speed metal and imaginative storytelling set Agent Steel apart from their contemporaries and helped them to build a dedicated following of fans.

One of the most notable aspects of Agent Steel's music is their incorporation of science fiction themes into their lyrics. Their songs often depict epic battles between good and evil, intergalactic wars, and the struggle for survival against hostile alien forces. These themes, combined with the band's powerful musical delivery, create an immersive experience for listeners that draws them into the world of the song.

Agent Steel's first full-length album, "Skeptics Apocalypse," was released in 1985 and received widespread critical acclaim. The album featured fast and aggressive thrash metal tracks, as well as more melodic and atmospheric songs that showcased the band's versatility and musicianship. The album's standout tracks, such as "Mad Locust Rising" and "Agents of Steel," have become fan favorites and remain popular to this day.

In the years that followed, Agent Steel continued to release critically acclaimed albums, including "Unstoppable Force" (1987) and "Mad Locust Rising" (1988). These albums further solidified the band's reputation as one of the leading lights of the heavy metal scene, and their music continues to inspire new generations of metal fans to this day.

Despite their popularity and success, Agent Steel faced numerous challenges over the years. The band experienced numerous lineup changes and personnel difficulties, which often resulted in long periods of inactivity. Despite these setbacks, Agent Steel has remained active and continues to tour and record new music to this day.

In conclusion, Agent Steel is a heavy metal band that has left a lasting impact on the world of metal music. Their unique style, blending fast and aggressive metal with science fiction-themed lyrics, has earned them a dedicated following of fans and critical acclaim. Their music continues to inspire and captivate listeners, and their legacy as one of the pioneering bands of the heavy metal genre remains unchallenged.

About John Cyriis

John Cyriis is an American vocalist primarily known for his involvement in the early years of the progressive and power metal band Agent Steel. Agent Steel was formed in 1984 and gained recognition for their high-pitched vocals, sci-fi-themed lyrics, and fast-paced music. Cyriis played a significant role in shaping the band's sound during their formative years.

Cyriis was the vocalist on Agent Steel's debut album, "Skeptics Apocalypse," released in 1985, and their critically acclaimed follow-up, "Unstoppable Force," released in 1987. His unique vocal style, characterized by high screams and falsettos, set him apart in the metal scene at the time.

After leaving Agent Steel, Cyriis remained relatively inactive in the metal scene for many years. However, in 2019, he resurfaced with the announcement that he had formed a new version of Agent Steel, called "John Cyriis' Agent Steel." This led to some controversy and legal disputes with the original members of Agent Steel.

AGENT STEEL - Mad Locust Rising (England)
Thumbnail Of  AGENT STEEL - Mad Locust Rising (England) album front cover

Music For Nations 12 KUT 124 , 1986 , England

Agent Steel's "Mad Locust Rising" is a seminal 1986 EP, the band's second release, featuring three intense speed metal tracks: "The Swarm Is Upon Us," "Mad Locust Rising," and a cover of Judas Priest's "The Ripper." Originally released by Music For Nations, it gained significance in metal history. A 1999 reissue by Century Media introduced it to a new audience, adding further value to this classic vinyl release.

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AGENT STEEL - Skeptics Apocalypse (Netherlands Release)
Thumbnail Of  AGENT STEEL - Skeptics Apocalypse (Netherlands) album front cover

 RoadrunneR – RR 9759 , 1985 , Netherlands

"Skeptics Apocalypse," the inaugural testament by the American Speed/Power metal force Agent Steel, reverberates on a 12" Vinyl LP Album. This debut release, recorded "somewhere in Los Angeles" as cryptically mentioned on the album cover, solidifies Agent Steel's position in the metal realm. Released as the band's first official album, "Skeptics Apocalypse" showcases their speed-infused power metal sound, marking a crucial chapter in their journey and contributing to the dynamic landscape of American metal.

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AGENT STEEL - Unstoppable Force (UK Release)
Thumbnail Of  AGENT STEEL - Unstoppable Force (UK) album front cover

Music For Nations MFN 66 , 1986 , United Kingdom

"Unstoppable Force" is the second and final album by the Speed Metal band: "Agent Steel", after the recording of this album the band split up. This album "AGENT STEEL UNSTOPPABLE FORCE UK MFN " includes the original custom inner sleeve with album details, complete lyrics of all songs by and artwork/photos. If you like "King Diamond's" high-pitched singing style, you will definitely like "John Cyriis's" singing on this album

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AGENT STEEL - Unstoppable Force (Canadiam Release)
Thumbnail Of  AGENT STEEL - Unstoppable Force (Canada)
 album front cover

Relativity Cobra Records CL 1019 , 1987 , Canada

This is the Canadian release of "Unstoppable Force" release on Cobra Records.

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AGENT STEEL - Unstoppable Force (USA Release)
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Music for Nations MFN 66 / Combat Records , 1986 , USA

This is the American release of "Unstoppable Force"

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