Directed by
| Bruno Mattei | ... | (as Vincent Dawn) |
Writing Credits (in alphabetical order)
| Rossella Drudi | ... | (uncredited) |
| Claudio Fragasso | ... | (screenplay) (as Clayde Anderson) |
Cast (in credits order)
| Christopher Ahrens | ... | Fuller (as Cristofer Ahrens) | |
| Haven Tyler | ... | Sara | |
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Geretta Marie Giancarlo | ... | Koster (as Geretta Giancarlo Field) |
| Fausto Lombardi | ... | Franzini (as Tony Lombardo) | |
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Mark Steinborn | ... | Bond |
| Dominica Coulson | ... | Samantha | |
| Clive Riche | ... | Drake (as Clive Ricke) | |
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Paul Norman Allen | ... | Kowalsky |
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Cortland Reilly | ... | Caine |
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Richard Ross | ... | Price |
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Bruce McFarland | ... | Colonel Parson |
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Richard Berkeley | ... | First Scientist (as Richard Bercheley) |
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John Champion | ... | Second Scientist |
| Massimo Vanni | ... | First Soldier (as Alex McBride) | |
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Elain Richmond | ... | Speaker |
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Al McFarland | ... | Professor Raphelson |
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Jim Pelot | ... | Technician |
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Patricia Sedoc | ... | Second Soldier |
| James Edward Sampson | ... | Third Soldier (as James Sampson) | |
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Robert McFarland | ... | Fourth Soldier |
| Rest of cast listed alphabetically: | |||
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Lorenzo Piani | ... | Soldier (uncredited) |
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Ernesto Rucker | ... | Soldier (uncredited) |
| David L. Thompson | ... | Henry Rafferson (uncredited) | |
Produced by
| Franco Gaudenzi | ... | producer |
Music by
| Carlo Maria Cordio | ||
Cinematography by
| Riccardo Grassetti | ... | (as Richard Grassetti) |
Editing by
| Bruno Mattei | ... | (as J.B. Matthews) |
Production Design by
| Giovanni Paolucci | ||
Art Direction by
| Mimmo Scavia | ... | (as Bart Scavia) |
Makeup Department
| Franco Di Girolamo | ... | special makeup effects artist |
| Tania McComas | ... | special makeup effects artist |
Sound Department
| Maurizio Miani | ... | boom operator (as Maurice Mayer) |
| Tullio Morganti | ... | sound (as Tom Morgan) |
Special Effects by
| Francesco Paolocci | ... | special creature effects |
| Gaetano Paolocci | ... | special creature effects |
Stunts
| Pat Romano | ... | stunt double |
| Massimo Vanni | ... | stunt director |
Camera and Electrical Department
| Luigi Ciccarese | ... | director of photography: second unit |
| Fabio Leoni | ... | assistant camera: second unit |
Music Department
| Vangelis | ... | composer: stock music |
Additional Crew
| Susan Adler | ... | dialogue coach |
| Rossella Acerbo | ... | voice dubbing: Dominica Coulson (uncredited) |
| Gianfranco Bellini | ... | voice dubbing: Clive Riche (uncredited) |
| Sergio Di Stefano | ... | voice dubbing: Mark Steinborg (uncredited) |
| Marco Mete | ... | voice dubbing: Paul Norman Allen (uncredited) |
| Anna Rita Pasanisi | ... | voice dubbing: Geretta Geretta (uncredited) |
| Alessandro Rossi | ... | voice dubbing: Christopher Ahrens (uncredited) |
