Claude Laydu

Pierre Ménard

Joëlle Bernard

Suzy

Pierre Destailles

Jojo

Renaud Mary

Fernando

Daniel Cauchy

Paulo

Liliane Bert

Monique

Michel Piccoli

Georges

Henri Crémieux

Investigating judge

Robert Dalban

Inspector Chennier

Arlette Merry

Raymonde

René Havard

Robert Le Béal

Pierre's lawyer

Jean Morel

Paul Frankeur

Commissioner Bernard