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Rod Taylor as Supt. Bob McLaine |
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Valerie Perrine as Maria |
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Christopher Lee as Chief Supt. Jonathan Rich |
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Terrence Hardiman as Dr. Paul Crossland |
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Heinz Hopf as The hairdresser |
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Lisbeth Zachrisson as Second victim |
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Anneli Martini as First victim |
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Hjördis Petterson as Ida Swanson |
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Sam Cook as Supt. Ray Cooper |
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Christine McKenna as Vicky Moore |
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Frank Brennan as Johannes Krantz |
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Petrina Derrington as Sonja Lawson, the Stripper |
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Cyd Hayman as Child Psychologist |
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Mark Harrison as Martin Engels |
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Bill Redvers as Police Officer |
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Karin Fahlén as Girlfriend in cinema |
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Göran Klintberg as Boyfriend in cinema |
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Jonny Quantz as |
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Anita Jodelsohn as |
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Hanna Brogren as |
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Ingrid Janbell as |
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Carol Drinkwater as |
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Britta Billsten as |
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Margreth Weivers as |
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Jan Nygren as |
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Gunnar Ernblad as |
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Anneli Martini as |
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Lisbeth Zachrisson as |
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John Zacharias as |
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Henry Jones as |
| Directing | Arne Mattsson | Director |
| Writing | Volodja Semitjov | Writer |
| Production | Tommy Iwering | Producer |
| Sound | Lars C. Lundberg | Sound Mixer |
| Costume & Make-Up | John Kendal | Makeup Artist |
| Costume & Make-Up | Agneta Lindqvist-Widin | Makeup Artist |
| Costume & Make-Up | Mago | Costume Design |
| Art | Anders Barréus | Art Direction |
| Editing | Rusty Coppleman | Editor |
| Editing | Carl-Olov Skeppstedt | Editor |
| Sound | Björn J:son Lindh | Original Music Composer |
| Camera | Tomislav Pinter | Director of Photography |