Lino Ventura

as Ralf Milan

Jacques Brel

as François Pignon

Caroline Cellier

as Louise Pignon

Jean-Pierre Darras

as Dr. Edgar Fuchs

Nino Castelnuovo

as Bellhop, room boy

Michele Gammino

as Pregnant woman husband

Xavier Depraz

as Louis Randoni

François Dyrek

as Félix, saboteur