Dennis Morgan

Paul Taggart

Viveca Lindfors

Christine Lund Lestrac

Anthony Caruso

Nikki

William Conrad

Farnsworth

Dorothy Malone

Miriam

John Banner

Jacques Lestrac

Bruce Bennett

Henderson

Victor Francen

Police Inspector Beauvais

Eduardo Ciannelli

Firago

Tom D'Andrea

Gus Franklin

Konstantin Shayne

Pablo

Jean De Briac

Lurcat

Joseph Buloff

Bolyanov

Henry Rowland

Hermann Zinzer

Luis van Rooten

Geran

Clyde Cook

Cockney Bartender

George Davis

French Waiter

Marcelle Corday

Elise, Pablo's housekeeper

Douglas Kennedy

Steve

Marjorie Bennett

Pablo's Model (uncredited)