Claude Chabrol
Director
André Génovès
Producer
Frederic Dannay
Writer
Manfred Lee
Writer
Paul Gégauff
Writer
Ellery Queen
Original Story
Jean Rabier
Director of Photography
Jacques Gaillard
Editor
Eugene Archer
Screenplay
Paul Gardner
Screenplay
Pierre Jansen
Music
Karl Lagerfeld
Costume Design
Guy Maugin
Set Decoration
Guy Littaye
Production Design
Jacky Bouban
Makeup Artist
François-Xavier Leclerc
Makeup Artist
Jacky Reynal
Makeup Artist
Alaine Scemama
Hairstylist
Anthony Perkins
Charles Van Horn
Michel Piccoli
Paul Regis
Marlène Jobert
Hélène Van Horn
Orson Welles
Théo Van Horn
Guido Alberti
Ludovic Van Horn
Ermanno Casanova
One-Eyed Old Man
Mathilde Ceccarelli
Receptionist
Eric Frisdal
Charles enfant
Aline Mantovani
Hélène enfant
Corinne Koeningswarter
Hélène enfant
Tsilla Chelton
Mère Théo
Giovanni Sciuto
Prêteur
Vittorio Sanipoli
Commissaire
Fabienne Gaugloff
Petite fille du train
Silvana Blasi
La réceptionniste de l'hôtel d'Alsace (uncredited)
