| Art Director | Mario Molli |
| Assistant Camera | Renato Palmieri |
| Assistant Director | Riccardo Petrazzi |
| Assistant Editor | Brigida Mastrolillo |
| Assistant To Director | Christian Hansen (3), Martín Sacristán |
| Camera Operator | Giulio Battiferri, Mario Sbrenna |
| Cast | Hugo Stiglitz (as Dean Miller), Laura Trotter (as Dr. Anna Miller), Maria Rosaria Omaggio (as Sheila Holmes), Francisco Rabal (as Major Warren Holmes), Sonia Viviani (as Cindy), Eduardo Fajardo (as Dr. Kramer), Stefania D'Amario (as Jessica Murchison), Ugo Bologna (as Mr. Desmond), Sara Franchetti (as Liz The Maid), Manuel Zarzo (as Colonel Donahue), Tom Felleghy (as Lieutenant Reedman), Pierangelo Civera (as Bob), Achille Belletti (as TV Station Technician), Mel Ferrer (as General Murchison), Agustín Bescos (as Man In Elevator (uncredited)), Frank Clement (as Aide (uncredited)), Ottaviano Dell'Acqua (as Zombie Outside TV Station (uncredited)), Roberto Dell'Acqua (as Zombie (uncredited)), Alejandro de Enciso (as Captain (uncredited)), Umberto Lenzi (as Reporter (uncredited)), Fiamma Maglione (as Mr. Desmond's Secretary (uncredited)), Carmen Martínez Sierra (as Woman In Elevator (uncredited)), Antonio Mayans (as Cameraman (uncredited)), Benito Pacifico (as Zombie (uncredited)), Renzo Pevarello (as Victim At Murchison House (uncredited)), Silvana Scandariato (as Woman At TV Station (uncredited)), Maurizio Streccioni (as Television Station Worker (uncredited)), Sergio Testori (as Soldier (uncredited)), José Yepes (as Controller (uncredited)), Rinaldo Zamperla (as Zombie (uncredited)) |
| Cinematographer | Hans Burmann |
| Costume Design | Silvana Scandariato |
| Director | Umberto Lenzi |
| Distributor | 21st Century Distribution (as (1983) (USA) (theatrical) (dubbed)), 21st Century Film Corporation (as (1983) (USA) (theatrical) (dubbed)), Cinema International Corporation (CIC) (as (1981) (Spain) (theatrical)), Creswin Distribution (as (1984) (Canada) (theatrical)), Jugendfilm-Verleih (as (1980) (West Germany) (theatrical)), New Fida (as (1980) (Italy) (theatrical)) |
| Dubbing Editor | Nick Alexander |
| Film Editor | Daniele Alabiso |
| Hair Stylist | Maria Teresa Carrera |
| Make-up Artist | Franco Di Girolamo, Giuseppe Ferranti |
| Music | Stelvio Cipriani |
| Producer | Diego Alchimede, Luis Méndez |
| Production Company | Dialchi Film, Lotus Films, Televicine S.A. de C.V. |
| Script Supervisor | María Isabel Pérez |
| Seamstress | Antonella Maziotti |
| Set Designer | Wolfgang Burmann |
| Set Technician | Antonio Corridori |
| Sound Mixer | Raul Montesanti |
| Soundtrack (????) (Italy) | Digitmovies Alternative Entertainment |
| Special Effects | Franco Di Girolamo, Giuseppe Ferranti |
| Still Photographer: Action Stills | Alfio Quattrini |
| Unit Manager | Rodolfo Martello |
| Unit Publicist | Tonino Pinto |
| Voice Dubbing (US Version) | Nick Alexander (as (uncredited)), Geoffrey Copleston (as (uncredited)), Larry Dolgin (as (uncredited)), Marvin Drake (as (uncredited)), Steven Luotto (as (uncredited)), Edward Mannix (as (uncredited)), Edmund Purdom (as (uncredited)), Ted Rusoff (as (uncredited)), Gregory Snegoff (as (uncredited)), Robert Sommer (as (uncredited)), Pat Starke (as (uncredited)) |
| Writer | Antonio Cesare Corti, Luis María Delgado, Piero Regnoli |
| Links | http://www.imdb.com/title/tt0080931/ · https://www.kinopoisk.ru/film/59065/ |
