Trailer
Images
 | Marcello Mastroianni as Marcello Polletti |
 | Ursula Andress as Caroline Meredith |
 | Elsa Martinelli as Olga |
 | Salvo Randone as Professor |
 | Massimo Serato as Lawyer Rossi |
 | Milo Quesada as Rudi |
 | Luce Bonifassy as Lidia Poletti |
 | George Wang as Chinese Hunter |
 | Evi Rigano as Victim at Hunt Ministry |
| Walter Williams as Cole |
| Richard Armstrong as Chet |
| Antonio Ciani |
 | Anita Sanders as Relaxatorium Girl (uncredited) |
 | Pier Paolo Capponi as Terrace Snack Bar Manager (uncredited) |
 | Jacques Herlin as Masoch Club Manager (uncredited) |
 | Wolfgang Hillinger as Baron von Richtofen (uncredited) |
 | Mickey Knox as Martin (uncredited) |
 | Gino Pernice as Hunter (uncredited) |
 | Massimo Righi as Journalist (uncredited) |
 | Giovanni Ivan Scratuglia as Priest in Aeroplane (uncredited) |
 | Claudio Mancini as Airplane Pilot (uncredited) |
 | Beryl Cunningham as Masoch Club Patron (uncredited) |
 | Giuseppe Marrocco as Masoch Club Patron (uncredited) |
 | Oscar Sciamanna as Masoch Club Patron (uncredited) |
| Directing | |
| Elio Petri | Director |
| Berto Pelosso | First Assistant Director |
Writing | |
| Elio Petri | Screenplay |
Production | |
| Giorgio Russo | Production Secretary |
Writing | |
| Ennio Flaiano | Screenplay |
Production | |
| Adriano Pagani | Production Secretary |
Writing | |
| Tonino Guerra | Screenplay |
Production | |
| Jone Tuzi | Production Coordinator |
Sound | |
| Piero Piccioni | Conductor |
| Carlo Palmieri | Sound Recordist |
Camera | |
| Mario Masini | Assistant Camera |
Writing | |
| Robert Sheckley | Novel |
| Giorgio Salvioni | Screenplay |
Camera | |
| Gianni Di Venanzo | Director of Photography |
Costume & Make-Up | |
| Lina Cassini | Hairstylist |
Production | |
| Alfredo Melidoni | Production Supervisor |
Art | |
| Dario Micheli | Set Decoration |
Costume & Make-Up | |
| Giuseppe Banchelli | Makeup Artist |
| Giulio Coltellacci | Costume Design |
Sound | |
| Ennio Sensi | Sound |
Production | |
| Carlo Ponti | Producer |
Sound | |
| Piero Piccioni | Original Music Composer |
| Emilio Rosa | Sound |
Art | |
| Giovanni Checchi | Set Decoration |
Production | |
| Claudio Mancini | Production Supervisor |
Editing | |
| Ruggero Mastroianni | Editor |
Art | |
| Piero Poletto | Production Design |
Camera | |
| Pasqualino De Santis | Camera Operator |
Directing | |
| Renata Clerici | Script Supervisor |
Costume & Make-Up | |
| Enrico Sabbatini | Assistant Costume Designer |
