Diabolically Yours— Full Cast

Alain Delon

as Pierre Lagrange / Georges Campo

Senta Berger

as Christiane

Sergio Fantoni

as Fréderic Launay

Claude Piéplu

as Decorator

Peter Mosbacher

as Kiem

Albert Augier

as Doctor

Renate Birgo

as Nurse

Georges Montant

as Brigadier

Albert Domergue

as Bartender

Marcel Gassouk

as (uncredited)