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Kieran Canter as Frank Wyler |
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Cinzia Monreale as Anna Völkl / Elena Völkl |
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Franca Stoppi as Iris |
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Sam Modesto as Mr. Kale |
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Lucia D'Elia as Jan, hitchhiker |
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Anna Cardini as Jogging Victim |
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Mario Pezzin as Priest |
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Walter Tribus as Handyman |
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Klaus Rainer as Doctor |
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Simonetta Allodi as Disco Girl |
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Edmondo Vallini as Detective |
| Directing | Joe D'Amato | Director |
| Writing | Ottavio Fabbri | Screenplay |
| Writing | Giacomo Guerrini | Story |
| Camera | Joe D'Amato | Director of Photography |
| Editing | Ornella Micheli | Editor |
| Art | Donatella Donati | Art Direction |
| Costume & Make-Up | Mario Paladini | Costume Design |
| Camera | Enrico Biribicchi | Camera Operator |
| Camera | Giuseppina di Cola | Still Photographer |
| Sound | Marco Donati | Sound Engineer |
| Art | Ennio Michettoni | Set Designer |
| Costume & Make-Up | Cesare Biseo | Makeup Artist |
| Production | Marco Rossetti | Producer |
| Production | Ermanno Donati | Producer |
| Sound | Maurizio Guarini | Original Music Composer |
| Sound | Carlo Pennisi | Original Music Composer |
| Sound | Agostino Marangolo | Original Music Composer |
| Sound | Fabio Pignatelli | Original Music Composer |
| Art | Franco Gaudenzi | Art Direction |
| Production | Silvio Colecchia | Production Supervisor |
| Production | Oscar Santaniello | Production Manager |
| Directing | Franco Gaudenzi | Assistant Director |
| Directing | Donatella Donati | Assistant Director |
| Sound | Renato Marinelli | Sound Effects |
| Sound | Guglielmo Smeraldi | Boom Operator |
| Camera | Renato Palmieri | Assistant Camera |
| Directing | Marco Rossetti | Continuity |
| Production | Ermanno Mardesich | Production Secretary |
| Production | Maria Spera | Administration |
| Editing | Bruno Micheli | Assistant Editor |
| Sound | Roberto Alberghini | Sound Engineer |
