| Administrator | Benito Mancini |
| Armorer | Rocco Lerro |
| Armourer | Claudio Battistelli, Roberto Pace |
| Assistant Camera | Luigi Conversi |
| Assistant Director | Romano Scandariato |
| Boom Operator | Guglielmo Smeraldi |
| Camera Operator | Guglielmo Vincioni |
| Cashier | Benito Mancini |
| Cast | Ian McCulloch (as Dr. Peter Chandler), Alexandra Delli Colli (as Lori Ridgeway), Sherry Buchanan (as Susan Kelly), Peter O'Neal (as George Harper), Donald O'Brien (as Dr. Obrero / Dr. Butcher (US version)), Dakar (as Molotto), Walter Patriarca (as Dr. Drydock), Linda Fumis (as Nurse), Roberto Resta, Franco Ukmar (as Zombie #1), Sergio Ukmar (as Driver), Angelo Ragusa (as Zombie #3), Alba Maiolini (as Zombie Woman (uncredited)), Turam Quibo (as Toran - Cannibal Orderly (uncredited)), Romano Scandariato (as Professor Stafford (uncredited)) |
| Chief Electrician | Alberico Novelli |
| Cinematographer | Fausto Zuccoli |
| Costume Design | Silvana Scandariato |
| Costumes | Mario Russo Sartoria |
| Director | Marino Girolami |
| Distributor | Medusa Distribuzione (as (1980) (Italy) (theatrical)), Universal Film Agency (as (1980) (Netherlands) (theatrical)), Hoyts Distribution (as (1981) (Australia) (theatrical)), Aquarius Releasing (as (1981) (USA) (theatrical) (recut version with added footage) (dubbed)), Frontier Amusements (as (1983) (Canada) (theatrical) (dubbed) (cut version)), J.F. Films de Distribución S.A. (as (1983) (Spain) (theatrical)), Nikkatsu (as (1988) (Japan) (theatrical)), Flora Film (as (1980) (Italy) (theatrical)) |
| Executive Producer (US Version) | Ron Harvey |
| Film Editor | Alberto Moriani |
| First Assistant Editor | Massimo Cataldo |
| Hairdresser | Giancarlo Marin |
| Insurance | Danubio |
| Interiors | De Paolis I.N.C.I.R. |
| Key Grip | Giuseppe Gabrielli |
| Make-up Artist | Maurizio Trani |
| Mixage | Nino Renda |
| Music | Nico Fidenco |
| Music (US Version) | Walter E. Sear |
| Music Publisher | West |
| Musical Director | Giacomo Dell'Orso |
| Negative | Kodak Italia |
| Photo Studio | Atelier Fotografico |
| Post-Production (US Version) | Rainbow Productions |
| Post-Production: US Version | Jim Markovic |
| Presenter (US Version) | Terry Levene |
| Producer | Gianfranco Couyoumdjian, Fabrizio De Angelis |
| Producer (US Version) | Terry Levene |
| Production Company | Flora Film, Fulvia Film, Gico Cinematografica S.r.l. |
| Production Company (US Version) | Aquarius Productions |
| Production Designer | Walter Patriarca |
| Production Secretary | Aroldo Mogiani |
| Script Supervisor | Maria Luisa Merci |
| Seamstress | Renata Renzi |
| Second Assistant Editor | Patrizia Malvestito |
| Second Make-up Artist | Rosario Prestopino |
| Set Decoration | Vincenzo Morozzi, Rancati |
| Set Furnishings | Cimino (2) |
| Shoes | L.C.P. |
| Sound | Alfonso Montesanti |
| Special Effects | Claudio Battistelli, Roberto Pace |
| Special Make-up Effects Artist | Maurizio Trani |
| Still Photographer | Antonio Benetti |
| Stunts | Massimiliano Ubaldi (as (uncredited)) |
| Synchronization | D.E.F.I.S., Doppiaggio Internazionale |
| Tapestry | D'Angelo |
| Title Designer (US Version) | Roy Frumkes |
| Titles | Studio Mafera |
| Unit Production Manager | Paolo Gargano, Pasquale Vannini |
| Voice Dubbing (English Version) | Larry Dolgin (as (uncredited)), Edward Mannix (as (uncredited)), Gregory Snegoff (as (uncredited)), Susan Spafford (as (uncredited)), Pat Starke (as (uncredited)) |
| Wigs | Rocchetti e Carboni |
| Writer (Screenplay) | Romano Scandariato |
| Writer (Story) | Fabrizio De Angelis |
| Links | https://www.imdb.com/title/tt0079788/?ref_=ttfc_fc_tt |
