 | Rock Hudson als Capt. Mike Harmon |
 | Claudia Cardinale als Esmeralda Marini |
 | Tomas Milian als Roger |
 | Leon Askin als Chief Wellman |
 | Ellen Corby als Maddy Walker |
 | Walter Giller als Franz |
 | Guido Alberti als Uncle Camillo Marini |
 | Peter Dane als Albert Kinsky |
 | Tony Lo Bianco als Officer McClusky (uncredited) |
 | Claudio Trionfi |
| Vittorio Campanella |
| Gianni Minghini |
 | Raniero Dorascenzi |
 | Filippo Perego |
| Andrea Esterhazy |
 | Aldo Formisano |
| Ruggero Salvadori |
 | Alessandro Tedeschi |
 | Empedocle Buzzanca |
 | Alfonso Giganti |
| Francesco Maselli | Director |
| Luisa Montagnana | Story |
| Léo L. Fuchs | Producer |
| Ennio Morricone | Original Music Composer |
| Alfio Contini | Director of Photography |
| Nicoletta Nardi | Editor |
| Gabriele D'Angelo | Set Decoration |
| Enrico Sabbatini | Costume Design |
| Maria Pia Rocco | Script Supervisor |
| Franco Cristaldi | Producer |
| Francesco Maselli | Screenplay |
| Luisa Montagnana | Screenplay |
| Larry Gelbart | Co-Writer |
| Sergio Merolle | Production Manager |
| Luciano Puccini | Production Design |
| Francesco Della Noce | Costume Design |
| Bruno Nicolai | Conductor |
| Oscar Brazzi | Line Producer |
| Serena Canevari | First Assistant Director |
| Enzo Merlini Fiore | Unit Manager |
| Alfredo Di Santo | Production Secretary |
| Dino Di Dionisio | Production Secretary |
| Enzo Consolini | Administration |
| Elvira Zincone | Assistant Editor |
| Maurizio Scanzani | Camera Operator |
| Sandro Tamborra | Assistant Camera |
| Eugenio Rondani | Sound |
| Carlo Consolini | Boom Operator |
| Mario Tursi | Still Photographer |
| Pierantonio Mecacci | Makeup Artist |
| Luciano Vito | Hairstylist |
| Fausto Ancillai | Sound Mixer |
| Joseph Nathanson | Visual Effects |
