L'Honorable Stanislas, agent secret

Jean Marais

Stanislas

Christian Marin

Lecanut

Geneviève Page

Ursula Keller

Noël Roquevert

Commissioner Mouton

Gaia Germani

Andrea

Maurice Teynac

Alfred Thirios

Jean Galland

Colonel Derblay

Yvonne Clech

The lady on the train

Pierre Tornade

An Inspector (uncredited)

Max Montavon

The hotel receptionist (uncredited)

Robert Rollis

The postman (uncredited)