François Périer

as Gervais Larauch / Bernard Pradal

Micheline Presle

as Hélène Vanaux

Jeanne Moreau

as Agnès Vanaux

Madeleine Robinson

as Julia Pradal

Marc Cassot

as Bernard Pradal

Pierre Mondy

as André Vilsan

Paul Faivre

as Doctor Jaume

Louis Arbessier

as Police Commissioner Drouin

Simone Angèle

as Eulalie, boss of the inn

Jo Peignot

as Pharmacist

Clément Harari

as Pharmacist's Assistant

Paul Barge

Charles Bayard

Rivers Cadet

Rodolphe Marcilly

Joël Monteilhet

Jacques Morlaine

as Police inspector

Andrée Tainsy

as Business card seller

Jean-Jacques Valier