Alain Delon as Robert

Xavier Depraz as Jo

Roland Bertin as Raymond

Adalberto Maria Merli as Manu

Maurice Barrier as Lucien

Raymond Bussières as Cornelius

Giampiero Albertini as Leon

Laura Betti as Felicia

Nicole Calfan as Marinette

Gilette Barbier as

Agnès Château as Raymond's wife

Dominique Davray as The prostitute

Anne Jousset as A friend of Janine

Catherine Lachens as Janine

Carole Leroy as

Robert Dalban as The rat hunter

Marc Eyraud as The priest

François Lalande as The commissioner

Albert Michel as The photograph

Jacques Pisias as A cop from the Goutte d'Or

Lionel Vitrant as A cop from the Goutte d'Or

Jacques Sereys as The prefect

André Falcon as The jeweler

Roland Amstutz as A policeman at the police station

Henri Attal as A friend, customer of La Belle Oseille, at Cornélius

Albert Augier as The factory accountant

Jo Dalat as

Robert Klein as

Paul Mercey as A policeman at the police station

Yves Morgan-Jones as

Carlo Nell as

Jacques Plée as