Un beau monstre

Вирна Лизи

Nathalie Revent

Helmut Berger

Alain Revent

Шарль Азнавур

Inspector Leroy

Alain Noury

Dino

Françoise Brion

Jacqueline

Эдит Скоб

Sylvie Revent

Marc Cassot

Vincent

Yves Brainville

Commissioner Dedru

Henri Crémieux

Professor Richet, psychiatrist

André Chanu

Doctor Schwartz

Guy Marly

Chemist

Michel Peyrelon

Maître d'hôtel

Robert Le Béal

Judge

Dominique Marcas

Neighbor

Howard Vernon

Maître Wasserman, property administrator

Nicole Gobbi

Paul Pavel

Delivery man

Робер Берри

Alain's concierge

Serge Berry

Paul Bonifas

Hotel porter

Alberto Farnese

Alain's friend

Monique Mélinand

Neighbor witness

Roger Coggio

Alain Revent (voice)

Jacques Castelot

(uncredited)