Un Martien à Paris

Darry Cowl

Pierre Dubois

Nicole Mirel

Liliane

Henri Vilbert

Monsieur Walter

Gisèle Grandpré

Madame Walter

Rolande Kalis

Lorène

Michèle Verez

The girl of Saint-Germain

Pierre-Louis

The reporter

Robert Eddie

Serge Berry

Pierre Vernot

Dany Berthier

René Charles

Jacques De Leon

Michel Bardinet

(uncredited)

Pierre Duncan

An inspector (uncredited)

Jean Franval

An inspector (uncredited)

René Hell

The traveling pencil merchant (uncredited)

Robert Le Béal

The Commissioner of Police (uncredited)

Laure Paillette

A lady at the police station (uncredited)

Guy Saint-Clair

(uncredited)