Alain Delon as Dino Barran

Charles Bronson as Franz Propp

Olga Georges-Picot as Isabelle Moreau

Bernard Fresson as Inspecteur Antoine Méloutis

Brigitte Fossey as Dominique "Waterloo" Austerlitz

Ellen Bahl as Martha

Michel Barcet as L'inspecteur Muratti

Jean-Claude Ballard as inspecteur de police

Marianna Falk as Catherine

Jean-Paul Tribout as inspecteur de police

Raoul Guylad as Gorik

Catherine Sola as infirmière

Stéphane Bouy as Un homme à Neuilly

André Dumas as Le directeur du personnel

Steve Eckardt as Le baraqué

Marie-Noëlle Gresset as (as Marie-Noelle Gresset)

Lisette Lebon as Gilberte

Sandrine Schmidt as

Béatrice Costantini as The young patient (uncredited)

Claude Salez as Un parachutiste (uncredited)

Jacques Marbeuf as Un parachutiste (uncredited)