Lino Ventura
— Clément Tibère
Leo Genn
— Chief of M.I.5
Suzanne Flon
— Jeanne
Robert Hardy
— Assistant
Lea Massari
— Maria
Roger Crouzet
— Agent of the D.S.T.
Lucienne Legrand
— Bookseller
Bernard Dhéran
— M.Chat
Pierre Collet
— Mechanic
André Falcon
— Police Commissioner
Richard Marner
Robert Party
— Killer
Michel Fortin
— Trucker
Pierre Forget
George Pravda
Pierre Zimmer
— Maria's new husband
Jerry Brouer
Richard Saint-Bris
Max Fournel
Jeffry Wickham
Bill Pertwee
— Police Driver (uncredited)