William Holden as Laurent Ségur

Virna Lisi as Catherine Graziani

Bourvil as Verdun

Brook Fuller as Pascal Ségur

Madeleine Damien as Marinette

Mario Feliciani as Doctor

Friedrich von Ledebur as Vernet

Georges Douking as Pet owner

Michel Thomass as Corsican friend

Jean-Pierre Castaldi as Motorcycle policeman

Yves Barsacq as Charlie Lebreton, pump attendant

France Daunic as Instructor

Adrien Cayla-Legrand as Stationmaster on the platform (uncredited)

Roland Malet as Policeman (uncredited)

Gaston Meunier as Customer at Maxim's / Grocer (uncredited)

Raymond Pierson as Customer at Maxim's (uncredited)

Lucie Dolène as Pascal Ségur (voice) (uncredited)

Paul Bonifas as (uncredited)

Maria Schneider as (uncredited)