L'Étrange Monsieur Steve

Jeanne Moreau

Florence

Philippe Lemaire

Georges Villard

Armand Mestral

Mr. Stève

Lino Ventura

Denis

Anouk Ferjac

Mireille

Jacques Varennes

Arthur, manservant

Paulette Simonin

Thérèse, chambermaid

Raphaël Patorni

Elisabeth Terry

Robert Rollis

André

Allain Dhurtal

Director

Paul Faivre

Customer

Paul Uny

Nicolas Amato

Georges Demas

Jacqueline Doyen

(uncredited)

Jacques Richard

Journalist (uncredited)

André Saint-Luc

(uncredited)

Roger Vincent

(uncredited)