Otto Becker / Baron Hugo von Detner

Conrad Veidt

Acting

Kaaren De Relle

Ann Ayars

Acting

Fritz

Frank Reicher

Acting

Miss Harper

Dorothy Tree

Acting

Professor Sterling (as Ivan Simpson)

Ivan F. Simpson

Acting

Ludwig

William Tannen

Acting

Kurt Richten

Martin Kosleck

Acting

Joe Aiello

Marc Lawrence

Acting

Arnold Milbar

Sidney Blackmer

Acting

Brenner

Moroni Olsen

Acting

Grover Blaine McHenry

Pierre Watkin

Acting

Sailor (uncredited)

Ernie Alexander

Acting

Cab Driver (uncredited)

Rudolph Anders

Acting

Landlady (uncredited)

Jessie Arnold

Acting

Spy (uncredited)

Walter Bacon

Acting

Fat Woman (uncredited)

Polly Bailey

Acting

Chief Petty Officer (uncredited)

Roy Barcroft

Acting

Woman (uncredited)

Barbara Bedford

Acting

Detective (uncredited)

Arthur Belasco

Acting

Officer (uncredited)

Walter Byron

Acting

Waiter (uncredited)

Baldwin Cooke

Acting

Clerk (uncredited)

Hal Cooke

Acting

Doorman (uncredited)

Clyde Courtright

Acting

Commentator (voice) (uncredited)

Stuart Crawford

Acting

Reporter (uncredited)

Jack Daley

Acting

Cab Driver (uncredited)

Mark Daniels

Acting

Youth (uncredited)

Cliff Danielson

Acting

Diplomat (uncredited)

Jack Deery

Acting

Reporter (uncredited)

Drew Demorest

Acting

Restaurant Patron (uncredited)

Harry Denny

Acting

Reporter (uncredited)

Herschel Graham

Acting

Rosie (uncredited)

Bernadene Hayes

Acting

Reporter (uncredited)

Edward Hearn

Acting

1st Captain (uncredited)

Robert Homans

Acting

Onlooker at Departure (uncredited)

Carl M. Leviness

Acting

Reporter (uncredited)

Wilbur Mack

Acting

Thug (uncredited)

George Magrill

Acting

Sailor (uncredited)

Frank Marlowe

Acting

Restaurant Patron (uncredited)

Charles Meakin

Acting

Operator (uncredited)

James Millican

Acting

Messenger (uncredited)

Roger Moore

Acting

Bellboy (uncredited)

George Noisom

Acting

Harry (voice) (uncredited)

William Post Jr.

Acting

Restaurant Patron (uncredited)

Paul Power

Acting

Mohr (uncredited)

Christian Rub

Acting

Restaurant Patron (uncredited)

Buck Russell

Acting

Officer (uncredited)

Tim Ryan

Acting

Restaurant Patron (uncredited)

Jeffrey Sayre

Acting

Detective (uncredited)

Charles Sherlock

Acting

2nd Captain (uncredited)

Russell Simpson

Acting

Elderly Man (uncredited)

Harry Stafford

Acting

Mrs. Mohr (uncredited)

Hermine Sterler

Acting

Headwaiter (uncredited)

Tom Stevenson

Acting

Radio Operator (uncredited)

Brick Sullivan

Acting

Officer Graves (uncredited)

Ray Teal

Acting

Thug (uncredited)

Philip Van Zandt

Acting

Bauer (uncredited)

Roland Varno

Acting

Sailor (uncredited)

Duke York

Acting

Keeler (uncredited)

Jeff York

Acting

Barney (uncredited)

Joe Yule

Acting

William Bailey

Acting

Margaret Bert

Acting

Submarine Radioman (uncredited)

Joe Gilbert

Acting