René Alexandre

Préval

Harry Arbell

Antoine

Maxime Desjardins

Claude Amory

Gaston Dupray

Gaston de Ravennes

Alice Field

Lucie Stenay

Maurice Varny

Richard Stenay

Danielle Darrieux

Henriette Stenay

Marcel Vibert

Dr. Carelli

André Laurent

Raynor

Isabelle Anderson

Marthe

Jean Laurent

Dr. Dernault

H. Fowler Mear

Screenplay

Pierre Maudru

Dialogue

Jean Kemm

Director

Agatha Christie

Novel

Henri Verdun

Music

Paul Cotteret

Director of Photography

Brock Williams

Screenplay