 Lino VenturaRalf Milan | Ralf Milan |
 Jacques BrelFrançois Pignon | François Pignon |
 Caroline CellierLouise Pignon | Louise Pignon |
 Jean-Pierre DarrasDr. Edgar Fuchs | Dr. Edgar Fuchs |
 Nino CastelnuovoBellhop, room boy | Bellhop, room boy |
| MMichele GamminoPregnant woman husband | Pregnant woman husband |
 Xavier DeprazLouis Randoni | Louis Randoni |
 François DyrekFélix, saboteur | Félix, saboteur |
 André ValardyJerry, hitchhiker | Jerry, hitchhiker |
| AAngela CardilePregnant woman | Pregnant woman |
| JJean-Louis TristanHotel inspector | Hotel inspector |
 Jean FranvalTruck driver | Truck driver |
 Pierre ColletButcher | Butcher |
| AArlette BalkisPatient | Patient |
 Jacques GallandMaître Chamfort, notary | Maître Chamfort, notary |
 Liza BraconnierMrs. Randoni (uncredited) | Mrs. Randoni (uncredited) |
 Pierre ForgetFélix (uncredited) | Félix (uncredited) |
 Sylvain LévignacNurse at the psychiatric clinic (uncredited) | Nurse at the psychiatric clinic (uncredited) |
 Édouard MolinaroCafé owner (uncredited) | Café owner (uncredited) |
 Eric VasbergRally driver (uncredited) | Rally driver (uncredited) |
 Jacques PaoliSelf (voice) (uncredited) | Self (voice) (uncredited) |
 Serge SauvionSponsor of the attack (voice) (uncredited) | Sponsor of the attack (voice) (uncredited) |
 Georges GuéretNurse at the psychiatric clinic (uncredited) | Nurse at the psychiatric clinic (uncredited) |
| RRoland NeunreutherDriver (uncredited) | Driver (uncredited) |
| JJacques Van DoorenNurse at the psychiatric clinic (uncredited) | Nurse at the psychiatric clinic (uncredited) |
