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Adolf Jahr as Allan Linde / Fritjof Karlsson |
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Karin Nordgren as Sonja Brink |
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Gösta Cederlund as Carlos Haller |
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Marianne Aminoff as Madeleine Haller |
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Stig Järrel as Professor Petréus |
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Carl Hagman as B.Å.G. Jansson |
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Einar Axelsson as Film director Tallén |
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Rune Carlsten as Max |
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Olof Widgren as Louis |
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Åke Grönberg as Alling |
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Bror Bügler as Borg |
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Georg Funkquist as Anton |
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Ernst Brunman as Konradsson |
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Carl-Gunnar Wingård as Hjalte |
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Ruth Stevens as Gina |
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Agda Helin as Woman at the exposition |
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Ragnar Widestedt as Police officer |
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Torsten Hillberg as Member of the spy network |
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Åke Claesson as Ship's captain |
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Bellan Roos as House maid on the roof |
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Ruth Weijden as Woman selling flowers |
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Åke Engfeldt as Journalist |
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Nils Johannisson as Maitre d' |
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Karl-Arne Bergman as Steward |
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Georg Fernquist as Coat check |
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Börje Mellvig as Waiter |
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Harald Svensson as Man at the restaurant |
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Rolf Botvid as Belle's lover |
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Karl Erik Flens as Member of crew in the film studio |
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Gustaf Hiort af Ornäs as Film photographer |
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Vanja Dahlgren as Script supervisor |
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Birger Lensander as Film extra |
| Production | Arthur Spjuth | Production Manager |
| Art | Bibi Lindström | Production Design |
| Writing | Börje Larsson | Writer |
| Writing | Ragnar Arvedson | Writer |
| Camera | Hilmer Ekdahl | Director of Photography |
| Editing | Rolf Husberg | Editor |
| Directing | Ragnar Arvedson | Director |
| Crew | Alva Lundin | Title Graphics |
| Art | Arthur Spjuth | Production Design |
