Lino Ventura
Ralf Milan

Jacques Brel
François Pignon

Caroline Cellier
Louise Pignon

Jean-Pierre Darras
Dr. Edgar Fuchs

Nino Castelnuovo
Bellhop, room boy

Michele Gammino
Pregnant woman husband

Xavier Depraz
Louis Randoni

François Dyrek
Félix, saboteur

André Valardy
Jerry, hitchhiker

Angela Cardile
Pregnant woman

Jean-Louis Tristan
Hotel inspector

Jean Franval
Truck driver

Pierre Collet
Butcher

Arlette Balkis
Patient

Jacques Galland
Maître Chamfort, notary

Liza Braconnier
Mrs. Randoni (uncredited)

Pierre Forget
Félix (uncredited)

Sylvain Lévignac
Nurse at the psychiatric clinic (uncredited)

Édouard Molinaro
Café owner (uncredited)

Eric Vasberg
Rally driver (uncredited)

Jacques Paoli
Self (voice) (uncredited)

Serge Sauvion
Sponsor of the attack (voice) (uncredited)

Georges Guéret
Nurse at the psychiatric clinic (uncredited)

Roland Neunreuther
Driver (uncredited)

Jacques Van Dooren
Nurse at the psychiatric clinic (uncredited)