| Person | Type | Job | Role(s) |
|---|---|---|---|
 André Tranché | Crew | Writing | Screenplay |
 Bruno Nicolai | Crew | Sound | Conductor |
 Carlo Rambaldi | Crew | Crew | Special Effects |
Claudio De Santis | Crew | Art | Assistant Set Designer |
Edmondo Amati | Crew | Production | Producer |
 Ennio Morricone | Crew | Sound | Original Music Composer |
Franco Di Girolamo | Crew | Costume & Make-Up | Key Makeup Artist |
Giorgio Desideri | Crew | Costume & Make-Up | Costume Assistant |
Giorgio Gentili | Crew | Directing | Assistant Director |
Giorgio Serrallonga | Crew | Editing | Editor |
Gloria Fava | Crew | Costume & Make-Up | Assistant Makeup Artist |
José Frade | Crew | Production | Co-Producer |
José Luis Martínez Mollá | Crew | Writing | Screenplay |
 Lucio Fulci | Crew | Writing | Screenplay, Director, Story |
Luigi Kuveiller | Crew | Camera | Director of Photography |
Luis Méndez | Crew | Production | Production Director |
Nedo Azzini | Crew | Art | Production Design, Set Decoration |
Ottavio Jemma | Crew | Writing | Screenplay |
Renato Jaboni | Crew | Production | Executive Producer |
Rita Antonelli | Crew | Editing | Assistant Editor |
 Robert Dorfmann | Crew | Production | Co-Producer |
Roberto Giandalia | Crew | Directing | Continuity |
Roberto Gianviti | Crew | Writing | Screenplay, Story |
Román Calatayud | Crew | Art | Art Direction |
Ubaldo Terzano | Crew | Camera | Camera Operator |
Vincenzo Tomassi | Crew | Editing | Editor, Supervising Editor |
Rosa Luciani | Crew | Costume & Make-Up | Hairstylist |
Mario Morigi | Crew | Sound | Sound Mixer |
Antonio Annunziata | Crew | Camera | First Assistant Camera |
Roberto Granieri | Crew | Art | Set Decoration |
Carlo De Marchis | Crew | Crew | Special Effects Assistant |
Enrique Bellot | Crew | Production | Production Secretary |
Spartaco Pizzi | Crew | Camera | Key Grip |
Maurizio Chiari | Crew | Costume & Make-Up | Costume Design, Art Direction, Set Designer |
Giovanni Bonivento | Crew | Camera | Second Assistant Camera |
Saturnino Pita | Crew | Camera | Camera Operator |
Eugenio Ascani | Crew | Crew | Special Effects |
Massimo Iabone | Crew | Sound | Sound |
The Duchess of Bedford | Crew | Crew | Thanks |
Roberto Carpentieri | Crew | Production | Production Secretary |
Lea Piras | Crew | Editing | Assistant Editor |
Santiago Gómez | Crew | Camera | Third Assistant Camera |
Enrico Bellacci | Crew | Lighting | Electrician |
Andrew Ian Henry Russell | Crew | Crew | Thanks |
 Alberto de Mendoza | Cast | Actor | Sergeant Brandon |
 Basil Dignam | Cast | Actor | Commissioner McCloud (uncredited) |
 Ely Galleani | Cast | Actress | Joan Hammond |
 Erzsi Paál | Cast | Actress | Mrs. Gordon |
 Ezio Marano | Cast | Actor | Lowell - Scientific Squad |
 Florinda Bolkan | Cast | Actress | Carol Hammond |
 Franco Balducci | Cast | Actor | McKenna |
 Fred Wood | Cast | Actor | |
Gaetano Imbró | Cast | Actor | Policeman |
 George Rigaud | Cast | Actor | Dr. Kerr |
 Jean Sorel | Cast | Actor | Frank Hammond |
John Clifford | Cast | Actor | Train Passenger (uncredited) |
 Leo Genn | Cast | Actor | Edmond Brighton |
 Luigi Antonio Guerra | Cast | Actor | Policeman |
 Penny Brown | Cast | Actress | Jenny |
 Silvia Monti | Cast | Actress | Deborah |
 Stanley Baker | Cast | Actor | Inspector Corvin |
 Tony Adams | Cast | Actor | Policeman (uncredited) |
Jack Armstrong | Cast | Actor | |
 Anita Strindberg | Cast | Actress | Julia Durer (uncredited) |
 Jean Degrave | Cast | Actor | St. Paul's Clinic Director (uncredited) |
 Mike Kennedy | Cast | Actor | Hubert |
Ursel Eberz | Cast | Actress | Policewoman Beth (uncredited) |
Piero Nistri | Cast | Actor | Mrs. Gordon's Chauffeur (uncredited) |
Lew Hooper | Cast | Actor | Policeman (uncredited) |
Rita Tobin-Weske | Cast | Train Passenger (uncredited) | |
George Spence | Cast | Train Passenger (uncredited) | |
| Person | Type | Job | Role(s) |
