Générique complet
Min vän Oscar
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)
AB
Albert Bour
Fish Salesman (uncredited)
Gil Delamare
Policeman (uncredited)
M
Moustache
Oscar the Seal (uncredited)
R
Rognoni
Zoo Owner (uncredited)
Pierre Sergeol
Restaurant Owner (uncredited)
Made Siamé
Fish Seller (uncredited)
