 | Terence Hill als Matt Kirby |
 | Bud Spencer als Wilbur Walsh |
 | David Huddleston als Captain McBride |
 | Luciano Catenacci als Fred 'Curly' Cline |
 | Ezio Marano als Bloodsucker |
 | Luciano Rossi als Geronimo |
 | Luigi Casellato als Drugstore Owner |
 | Edy Biagetti als Lieutenant Governor |
 | Jill Flanter als Countess Galina Kochilova |
 | Laura Gemser als Suzy Lee |
 | April Clough als Angie Crawford |
 | Riccardo Pizzuti als Fred's Henchman |
 | Claudio Ruffini als Fred's Henchman |
 | Roberto Messina als Fred's Henchman |
 | Rocco Lerro als one of the thugs in the pub |
 | Roberto Dell'Acqua als one of the thugs in the pub |
 | Sergio Ukmar als one of the thugs in the pub |
 | Duilio Olmi als one of the thugs in the pub |
| Giancarlo Bastianoni als Fred's Henchman |
| Emilio Delle Piane als Pierre, Fred's waiter |
 | Giovanni Cianfriglia als Racket in the bowling alley |
 | Fortunato Arena als Bouncer at Bowling |
 | Ottaviano Dell'Acqua als Geronimo' s Man |
 | Omero Capanna als Hitman (uncredited) |
| William Conroy als Man (uncredited) |
 | Alex Edlin als Puncher in Football Stadium (uncredited) |
 | Osiride Pevarello als Circus Man (uncredited) |
 | Pietro Torrisi als Fred's henchman (uncredited) |
 | Frank Nuyen als Suzy Lee's grandfather (uncredited) |
| Enzo Barboni | Director |
| Guido De Angelis | Original Music Composer |
| Oddone Bernardini | Camera Operator |
| Maurizio De Angelis | Original Music Composer |
| Enzo Bulgarelli | Production Design |
| Enzo Barboni | Screenplay |
| Claudio Cirillo | Director of Photography |
| Vittorio Galiano | Executive Producer |
| Enzo Barboni | Story |
| Eugenio Alabiso | Editor |
| Bruno Zanoli | Sound |
| Mariana Russo | Seamstress |
| Mario D'Ambrosio | Assistant Editor |
| Maurizio Pastrovich | Production Manager |
| Maria Luisa Rosen | Script Supervisor |
| Nick Alexander | Sound Effects |
| Jay Amor | Stunt Coordinator |
| Fausto De Lisio | Hair Designer |
| Victor Tourjansky | Assistant Director |
| Marcello Cannone | Assistant Editor |
| Marcello Torri | Production Supervisor |
| Luciano Giustini | Makeup Artist |
| Vittorio Galiano | Production Manager |
| Lamberto Andreani | Production Secretary |
| Luciano Sagoni | Costume Design |
| Angelo Amatulli | Boom Operator |
| Italo Cameracanna | Foley Artist |
