Stéphane Audran

Character: Dominique

Klaus Kinski

Character: Pavel Richko / Torpédo I

Lilli Palmer

Character: Helen

Michel Constantin

Character: Coster

Angelo Infanti

Character: Jean / Gianni

Jean Claudio

Character: Fédor 'La Filature'

Frédéric de Pasquale

Character: Nicolas Baslier Krestowitz

Noëlle Adam

Character: Laurence, Dominique's friend

Philippe March

Character: The effeminate salesman

Christine Fabréga

Character: Sylvianne Collet

Jacques Harden

Character: The Paris police inspector

Micheline Luccioni

Character: The postal worker

Georges Lycan

Character: Torpédo II

Philippine Pascal

Character: The policewoman

Bernard Musson

Character: Fécamp police inspector

Roger Lumont

Character: The truck driver

Robert Favart

Character: The Chief Commissioner

Catherine Jacobsen

Character: Françoise Ormesseq, aka 'La 'boîte aux lettres'

Henri Gilabert

Character:

Pierre Koulak

Character: An inspector

Alexandre Klimenko

Character:

Gérard Dauzat

Character:

Paul Bisciglia

Character:

Rita Maiden

Character: The prostitute

Michel Charrel

Character: An inspector

Christian Brocard

Character: The man in the mortuary (uncredited)

Marie-Pierre Casey

Character: The woman in the mortuary (uncredited)

Roland Malet

Character: A police officer (uncredited)

Yves Massard

Character: An Inspector at the tail (uncredited)

Paul Pavel

Character: An Inspector at the tail (uncredited)