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