La Valse du Gorille

Roger Hanin

Géo Paquet, aka 'Le Gorille'

Charles Vanel

Berthomieu aka 'Le Vieux'

Ursula Herwig

Luise Keibl

Джесс Хан

Ted the Hook

Wolfgang Preiss

Otto Lohn

Michel Thomass

Boris Almazian

Yves Barsacq

Berthier

Claude Vernier

Rosberg

René Havard

Chemist

Jean Juillard

French delegate

Pierre Collet

Bergère

Jack Ary

(uncredited)

Pierre Grasset

(uncredited)

Viktor Tacik

Keibel

Micheline Gary

The blonde

Ton Kuyl

Wilhelm

Lutz Gabor

Frantz

Don Ziegler

Suzanne Dehelly

Hortense

Lucien Blondeau

(uncredited)

Richard Larke

English Commissioner (uncredited)

Peter Lewis

American spy (uncredited)