Raymond Gérôme as Lord, l'inspecteur de police

Jean Ozenne as Sir Edward

François Nocher as Philip Warrender

Jean-Claude Arnaud as Walter

Gaby Sylvia as Patricia Brown-Gibson

Sylvie Bourgeois as Margaret

Madeleine Clervanne as Mlle Peake

Bernard Musson as Elgin

Jean Roquel as Jean Roquel

Robert Fontanet as Henry

Erwan Kerne as Smith