 | Klaus Kinski als Dr. Alex Nijinski |
 | Katia Christine als Anijeska Nijinski |
 | Marzia Damon als Farmer's Wife |
 | Stella Calderoni als Lover in the Woods |
| Romano De Gironcoli als Lover in the Woods |
 | Alessandro Perrella |
 | Carla Mancini |
| Luigi Bevilacqua |
| Bruno Ariè als Inspector |
 | Osiride Pevarello als Polanski |
| Amedeo Timpani als The judge |
| Pasquale Toscano |
 | Ayhan Işık als Dr. Igor Walensky (credited on Turkish prints only) |
 | Erol Taş als Boris (credited on Turkish prints only) |
 | Roberto Messina als Farmer |
| Sergio Garrone | Writer |
| Sergio Garrone | Director |
| Claudio Sinibaldi | Producer |
| Amedeo Mellone | Producer |
| Ivana Bernardi | Hairstylist |
| Paola Patuani | Script Supervisor |
| Enzo Diliberto | Sound Effects |
| Amedeo Mellone | Production Designer |
| Amedeo Mellone | Costume Designer |
| Vincenzo Iaccio | Production Supervisor |
| Amedeo Timpani | Sound Engineer |
| Lino Galeassi | Assistant Camera |
| Amedeo Mellone | Set Decoration |
| Claudio Sinibaldi | Production Manager |
| Roberto Arcangeli | Special Sound Effects |
| Stefano Liberati | Original Music Composer |
| Emore Galeassi | Cinematography |
| Cesare Bianchini | Editor |
| Alessandro Praulano | Assistant Director |
| Roberto Arcangeli | Sound Effects |
| Stefano Liberati | Conductor |
| Maria Arié | Makeup Artist |
| Carlo Rambaldi | Special Effects |
| Carlo De Marchis | Special Effects Assistant |
| Gianni Seso | Still Photographer |
| Elio Maestosi | Original Music Composer |
| Bruna Abbatelli | Assistant Editor |
