 | Gianni Garko als Peter Flower |
 | Giovanna Ralli als Anna |
 | Frank Wolff als Arthur Welt |
 | Fernando Rey als Juez Flower |
 | Julián Mateos als Quill |
 | Leonardo Scavino als Hawkins the butler |
 | Karin Schubert als Nightclub Actress |
 | Franco Marletta |
| Enzo G. Castellari | Director |
| Leo Anchóriz | Screenplay |
| Tito Carpi | Screenplay |
| Enzo G. Castellari | Screenplay |
| Ennio Morricone | Music |
| Bruno Nicolai | Music Director |
| José Frade | Producer |
| Antonio L. Ballesteros | Director of Photography |
| Vincenzo Tomassi | Editor |
| Román Calatayud | Production Design |
| Román Calatayud | Art Direction |
| Enrico Sabbatini | Costume Design |
| Otello Sisi | Makeup Artist |
