| Person | Type | Job | Role(s) |
|---|---|---|---|
 Antonio Rinaldi | Crew | Lighting | Gaffer |
Armando Govoni | Crew | Production | Production Assistant |
Eliana De Sabata | Crew | Writing | Screenplay, Story |
 Ennio De Concini | Crew | Writing | Screenplay, Story |
 Franco Prosperi | Crew | Writing | Screenplay, Assistant Director |
Giorgio Giovannini | Crew | Art | Art Direction |
Lina Caterini | Crew | Editing | Assistant Editor |
 Mario Bava | Crew | Camera | Director of Photography, Director, Screenplay |
Mario Serandrei | Crew | Editing | Editor |
 Massimo De Rita | Crew | Production | Executive Producer |
 Mino Guerrini | Crew | Writing | Screenplay |
Paolo Mercuri | Crew | Production | Production Manager |
Roberto Nicolosi | Crew | Sound | Original Music Composer |
Salvatore Billitteri | Crew | Production | Associate Producer |
 Sergio Corbucci | Crew | Writing | Screenplay, Story |
Tina Grani | Crew | Costume & Make-Up | Costume Design |
Ubaldo Terzano | Crew | Camera | Camera Operator |
Euclide Santoli | Crew | Costume & Make-Up | Makeup Artist |
Emilio Schuberth | Crew | Art | Set Dresser |
Mara Rocchetti | Crew | Costume & Make-Up | Hair Designer |
Luigi D'Andria | Crew | Art | Set Decoration |
Enrico Checchi | Crew | Directing | Second Assistant Director |
Neda Matteucci | Crew | Directing | Script Supervisor |
 Adriana Facchetti | Cast | Actress | Woman in Sguattera Restaurant |
Dafydd Havard | Cast | Actor | |
 Dante DiPaolo | Cast | Actor | Andrea Landini |
 Franco Ressel | Cast | Actor | Arresting Officer at Airport (uncredited) |
 Giovanni Di Benedetto | Cast | Actor | Professor Torrani |
 Gustavo De Nardo | Cast | Actor | Dr. Facchetti |
Jim Dolen | Cast | Priest (uncredited) | |
 John Saxon | Cast | Actor | Dr. Marcello Bassi |
 John Stacy | Cast | Actor | |
 Letícia Román | Cast | Actress | Nora Davis |
 Lucia Modugno | Cast | Actress | Nurse |
 Luigi Bonos | Cast | Actor | Albergo Stelletta |
Mario Bava | Cast | Actor | Uncle Augusto |
 Milo Quesada | Cast | Actor | De Vico / Paccini |
 Tiberio Murgia | Cast | Actor | |
 Valentina Cortese | Cast | Actress | Laura Craven-Torrani |
Titti Tomaino | Cast | Inspector | |
Robert Buchanan | Cast | Dr Alessi | |
 Franco Moruzzi | Cast | Actor | Policeman |
Lido Pini | Cast | ||
Peggy Nathan | Cast | ||
Chana Coubert | Cast | Ethel Windell Batocci | |
Virginia Doro | Cast | Torrani's Maid | |
Marta Melocco | Cast | Murder Victim | |
| Person | Type | Job | Role(s) |
