Nazi Agent

Conrad Veidt

Otto Becker / Baron Hugo von Detner

Ann Ayars

Kaaren De Relle

Frank Reicher

Fritz

Dorothy Tree

Miss Harper

Ivan F. Simpson

Professor Sterling (as Ivan Simpson)

William Tannen

Ludwig

Martin Kosleck

Kurt Richten

Marc Lawrence

Joe Aiello

Sidney Blackmer

Arnold Milbar

Moroni Olsen

Brenner

Pierre Watkin

Grover Blaine McHenry

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Ernie Alexander

Sailor (uncredited)

Rudolph Anders

Cab Driver (uncredited)

Jessie Arnold

Landlady (uncredited)

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Walter Bacon

Spy (uncredited)

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Polly Bailey

Fat Woman (uncredited)

Roy Barcroft

Chief Petty Officer (uncredited)

Barbara Bedford

Woman (uncredited)

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Arthur Belasco

Detective (uncredited)

Walter Byron

Officer (uncredited)