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Helmut Griem as Willi Mohr |
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Slobodan Dimitrijević as Santiago Alemany |
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Gunnel Fred as Siglinde Pedersen |
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Ivan Tchenko as Ramon Alemany |
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Richard Warwick as Tornilla, police sergeant |
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John Hamill as Dan Pedersen |
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Demeter Bitenc as Berg |
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Zvonimir Črnko as Ramon |
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Majda Grbac as Girl from Rovinj |
| Writing | Arne Mattsson | Writer |
| Writing | Per Wahlöö | Writer |
| Directing | Arne Mattsson | Director |
| Camera | Tony Forsberg | Director of Photography |
| Production | Jörn Donner | Producer |
| Sound | Wilfred Josephs | Original Music Composer |
