Casting
Åke Söderblom
Hans Lövgren
Margareta Fahlén
Gabriella Strandberg
Olof Winnerstrand
Claes-Herman Sundelius
Barbro Larsson
Diana Sundelius
Douglas Håge
Oscar
Börje Mellvig
Stenström
Sven Lindberg
Lovén, Zoologist
Jeanne Fusier-Gir
Lövgren's Housemaid
Pierre Bertin
UNESCO Director-General
René Alié
Policeman (uncredited)
Odette Barencey
Woman (uncredited)
Albert Bour
Fish Salesman (uncredited)