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Åke Söderblom as Hans Lövgren |
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Margareta Fahlén as Gabriella Strandberg |
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Olof Winnerstrand as Claes-Herman Sundelius |
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Barbro Larsson as Diana Sundelius |
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Douglas Håge as Oscar |
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Börje Mellvig as Stenström |
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Sven Lindberg as Lovén, Zoologist |
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Jeanne Fusier-Gir as Lövgren's Housemaid |
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Pierre Bertin as UNESCO Director-General |
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René Alié as Policeman (uncredited) |
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Odette Barencey as Woman (uncredited) |
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Albert Bour as Fish Salesman (uncredited) |
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Gil Delamare as Policeman (uncredited) |
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Moustache as Oscar the Seal (uncredited) |
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Rognoni as Zoo Owner (uncredited) |
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Pierre Sergeol as Restaurant Owner (uncredited) |
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Made Siamé as Fish Seller (uncredited) |
| Writing | Charles de Richter | Novel |
| Editing | Andrée Danis | Editor |
| Writing | Marc-Gilbert Sauvajon | Writer |
| Directing | Åke Ohberg | Director |
| Camera | Николай Топорков | Director of Photography |
| Sound | Sune Waldimir | Music |
| Writing | Pierre Billon | Writer |
| Directing | Pierre Billon | Director |
| Art | René Moulaert | Production Design |
| Sound | Jacques Lebreton | Sound |
| Directing | Carlos Vilardebó | Assistant Director |
| Costume & Make-Up | Simone Gerber | Costume Design |
| Costume & Make-Up | Marcel Bordenave | Makeup Artist |
