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Telly Savalas as Ranko Drasovic |
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Anne Heywood as Eleanor Loraine |
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Osvaldo Ruggieri as Thomas Brown |
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Giorgio Piazza as George |
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Willeke van Ammelrooy as Dorothy |
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Rossella Falk as Margaret Vervoort |
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Antonio Guidi as Dr Chandler |
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Roger Van Hool as Peter Vervoort |
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Ada Pometti as Nurse |
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Alessandro Perrella as Psychiatrist |
| Writing | Renato Izzo | Writer |
| Writing | Alberto De Martino | Writer |
| Production | Guy Luongo | Executive Producer |
| Sound | Stelvio Cipriani | Original Music Composer |
| Writing | Adriano Bolzoni | Writer |
| Writing | Vincenzo Mannino | Writer |
| Directing | Alberto De Martino | Director |
| Production | Aldo Scavarda | Producer |
| Writing | Lorenzo Manning | Writer |
| Art | Serge-Henri Valcke | Set Decoration |
| Costume & Make-Up | Carla Indoni | Hairstylist |
| Costume & Make-Up | Amato Garbini | Makeup Artist |
| Art | Antonio Visone | Production Design |
| Sound | Giovanni Fratarcangeli | Sound |
| Editing | Otello Colangeli | Editor |
| Costume & Make-Up | Enrico Sabbatini | Costume Design |
| Sound | Fausto Ancillai | Sound Mixer |
| Costume & Make-Up | Alberto Travaglini | Makeup Artist |
| Camera | Joe D'Amato | Director of Photography |
