Alain Delon

Roch Siffredi

Riccardo Cucciolla

Volpone

Daniel Ivernel

Inspector Fanti

Reinhard Kolldehoff

Sam

Catherine Rouvel

Lola

Lionel Vitrant

Fernand

Adolfo Lastretti

Luciano

Greg Germain

Le 'Nègre'

Günter Meisner

Doctor

Jacques Debary

Prefect

Anton Diffring

German

Yvan Chiffre

Günter Spörrle

Giuliano (uncredited)

Henri Attal

Guard at the asylum (uncredited)

Roger Lumont

Boss of the bar de la Marine (uncredited)

Marc Eyraud

Chief medical officer of the asylum (uncredited)

Jacques Pisias

Man of Sam (uncredited)

Joëlle Bernard

Madam (uncredited)

Janine Souchon

Nun at the asylum (uncredited)

Sylvain Lévignac

Doorman (uncredited)

Philippe Castelli

Hairdresser (uncredited)

Mireille Darc

Prostitute in the street (uncredited)

Claudine Auger

Passenger on the liner (uncredited)