Qui ?

Gabriele Tinti as Claude Jacques Duby as Annoying Guest Suzy Hannier Jean Berger as Doctor (uncredited) Dany Jacquet as Sabine (uncredited) Maurice Ronet as Serge Simone Bach as Dorothée Anne-Marie Coffinet as Guest Jean-Paul Blonday as Plane Passenger (uncredited) Romy Schneider as Marina

Claude Bolling Original Music Composer Paul Gégauff Writer Raymond Danon Producer