Qui ?

Romy Schneider

Marina

Maurice Ronet

Serge

Gabriele Tinti

Claude

Simone Bach

Dorothée

Jacques Duby

Annoying Guest

Jean-Jacques Bourgeois

—

Anne-Marie Coffinet

Guest

Suzy Hannier

—

Jean Berger

Doctor (uncredited)

Jean-Paul Blonday

Plane Passenger (uncredited)

Dany Jacquet

Sabine (uncredited)

Antonio Ramirez

Foreign Buyer (uncredited)