Lino Ventura

as Clément Tibère

Leo Genn

as Chief of M.I.5

Suzanne Flon

as Jeanne

Robert Hardy

as Assistant

Lea Massari

as Maria

Roger Crouzet

as Agent of the D.S.T.

Lucienne Legrand

as Bookseller

Bernard Dhéran

as M.Chat

Pierre Collet

as Mechanic

André Falcon

as Police Commissioner

Richard Marner

Robert Party

as Killer

Michel Fortin

as Trucker

Pierre Forget

George Pravda

Pierre Zimmer

as Maria's new husband

Jerry Brouer

Richard Saint-Bris

Max Fournel

Jeffry Wickham

Bill Pertwee

as Police Driver (uncredited)