Lino Ventura
Sébastien Grenier
Michel Piccoli
Jean-Paul Chance
Bruno Cremer
Alain Richard
Bernard Fresson
Henri Marchand
Marc Mazza
Ramos Bavila
Roger Jendly
Commissioner Lohmann
Heinz Bennent
Meyer
Krystyna Janda
Anna Gretz
Beate Kopp
Grenier's secretary
Christian Baltauss
Librarian
Kurt Bigger
Alfred Zimmer
Jean-Paul Franky
Rudy 'la blonde'
Yves Boisset
Richard's assistant
Daniel Plancherel
Inspector Vogel
Philippe Brizard
Grenier employee
Max Moor
Dieter Krauss
Pierre Boffety
Postman
Robert Dalban
Narrator (voice) (uncredited)