Stéphane Audran
Dominique
Klaus Kinski
Pavel Richko / Torpédo I
Lilli Palmer
Helen
Michel Constantin
Coster
Angelo Infanti
Jean / Gianni
Jean Claudio
Fédor 'La Filature'
Frédéric de Pasquale
Nicolas Baslier Krestowitz
Noëlle Adam
Laurence, Dominique's friend
Philippe March
The effeminate salesman
Christine Fabréga
Sylvianne Collet
Jacques Harden
The Paris police inspector
Micheline Luccioni
The postal worker
Georges Lycan
Torpédo II
Philippine Pascal
The policewoman
Bernard Musson
Fécamp police inspector
Roger Lumont
The truck driver
Robert Favart
The Chief Commissioner
Catherine Jacobsen
Françoise Ormesseq, aka 'La 'boîte aux lettres'
Henri Gilabert
Pierre Koulak
An inspector
Alexandre Klimenko
Gérard Dauzat
Paul Bisciglia
Rita Maiden
The prostitute
Michel Charrel
An inspector
Christian Brocard
The man in the mortuary (uncredited)
Marie-Pierre Casey
The woman in the mortuary (uncredited)
Roland Malet
A police officer (uncredited)
Yves Massard
An Inspector at the tail (uncredited)
Paul Pavel
An Inspector at the tail (uncredited)
Jean Delannoy
Director
Maurice Jacquin
Executive Producer
Louisette Hautecœur
Editor
Pierre Balmain
Costume Design
Francis Ryck
Novel
Jean Cau
Screenplay
Henri Taverna
Editor
René Renoux
Art Direction
Éric Moulard
Set Decoration
Louis Bonnemaison
Makeup Artist
Jean Delannoy
Screenplay
Piero La Mantia
Producer
Edmond Séchan
Director of Photography
François de Roubaix
Original Music Composer
Turi Vasile
Producer
Janou Pottier
Hairstylist
Luggi Waldleitner
Producer
Pierre Tyberghein
Set Decoration
Michel Bernard
Special Effects