British Agent

Leslie Howard

Stephen 'Steve' Locke

Kay Francis

Elena Moura

William Gargan

Bob Medill

Phillip Reed

Gaston LeFarge

Irving Pichel

Sergei Pavlov

Ivan F. Simpson

'Poohbah' Evans

Halliwell Hobbes

Sir Walter Carrister

J. Carrol Naish

Commissioner of War Trotsky

Walter Byron

Under Secretary Stanley

Cesar Romero

Tito Del Val

Arthur Aylesworth

Mr. Henry Farmer

Alphonse Ethier

Paul DeVigney

Frank Reicher

Mr. X

Tenen Holtz

Lenin

Doris Lloyd

Lady Carrister

Mary Forbes

Lady Catherine Trehearne

Marina Koshetz

Maria Nikolaievna (as Marina Schubert)

George C. Pearce

Lloyd George (as George Pearce)

Gregory Gaye

Mr. Kolinoff

Paul Porcasi

Count Romano

Glen Cavender

Russian Policeman (uncredited)

Claire McDowell

Woman Saying 'Lenin will Live' (uncredited)

Michael Curtiz

Director

Laird Doyle

Screenplay

R.H. Bruce Lockhart

Novel

Al Roberts

Camera Operator

Henry Blanke

Camera Operator

Homer Van Pelt

Still Photographer

Ernest Haller

Director of Photography

Scotty Moore

Prop Maker

Anton Grot

Art Direction

Charles David Forrest

Sound Recordist

Thomas Richards

Editor

Leo F. Forbstein

Conductor