| Person | Type | Job | Role(s) |
|---|---|---|---|
 Adriano Bolzoni | Crew | Writing | Writer, Story |
 Aldo Lado | Crew | Directing | Director, Writer |
 Antonio Margheriti | Crew | Visual Effects | Special Effects Supervisor |
 Armando Valcauda | Crew | Crew | Special Effects, Animation Coordinator |
 Ennio Morricone | Crew | Sound | Music |
 Enzo Bulgarelli | Crew | Art | Production Design |
 Enzo G. Castellari | Crew | Crew | Second Unit |
Germano Natali | Crew | Crew | Pyrotechnician |
Giacomo Caló Carducci | Crew | Art | Art Direction |
 Giannetto De Rossi | Crew | Costume & Make-Up | Makeup Artist |
Giorgio Venturini | Crew | Production | Producer |
Luca Sabatelli | Crew | Costume & Make-Up | Costume Design |
Mario Morra | Crew | Editing | Editor |
Mirella De Rossi | Crew | Costume & Make-Up | Hairstylist |
Silvano Ippoliti | Crew | Camera | Director of Photography |
Cecilia Bigazzi | Crew | Production | Production Supervisor |
Viero Spadoni | Crew | Production | Production Manager |
Vittorio Biferale | Crew | Production | Production Manager |
Arduino Mercuri | Crew | Production | Production Manager |
Giuliano Principato | Crew | Production | Production Manager |
 Arthur Kennedy | Cast | Actor | Dr. Kraspin |
 Attilio Duse | Cast | Actor | |
 Barbara Bach | Cast | Actress | Lady Agatha |
 Corinne Cléry | Cast | Actress | Barbara Gibson |
 Hal Yamanouchi | Cast | Actor | Humanoid Soldier |
 Ivan Rassimov | Cast | Actor | Lord Graal |
 José Quaglio | Cast | Actor | |
 Larry Dolgin | Cast | Actor | Narrator (voice) |
 Leonard Mann | Cast | Actor | Nick |
Marco Yeh | Cast | Tom Tom | |
 Massimo Serato | Cast | Actor | Great Brother |
 Ottaviano Dell'Acqua | Cast | Actor | Technician |
 Richard Kiel | Cast | Actor | Golob |
 Venantino Venantini | Cast | Actor | |
Vito Fornari | Cast | Actor | |
 Milla Johansson | Cast | Actress | Girl who is drained of blood (uncredited) |
| Person | Type | Job | Role(s) |
