Rex Harrison as Victor Chandebisse / Poche

Rosemary Harris as Gabrielle Chandebisse

Louis Jourdan as Henri Tournel

Rachel Roberts as Suzanne de Castilian

Grégoire Aslan as Max, Hotel Coq Dor Owner

John Williams as Dr. Finache

Edward Hardwicke as Pierre Chandebisse, Victor's Nephew

Georges Descrières as Don Carlos de Castilian

Isla Blair as Antoinette, Charles' Wife

Frank Thornton as Charles, the Butler

Victor Sen Yung as Oke Saki

Laurence Badie as Eugenie, Hotel Coq Dor Maid

Dominique Davray as Olympe

Olivier Hussenot as Max's Uncle Louis

Estella Blain as Defendant

Moustache as Fat Man in Room 11

David Horne as The Prosecutor

Roger Carel as M. Plommard