They Dare Not Love

George Brent

Prince Kurt von Rotenberg

Martha Scott

Marta Keller

Paul Lukas

Baron von Helsing

Peter Cushing

Sub-Lieutenant Blackler

Sig Arno

Louis

Georgia Backus

German Secretary

Edgar Barrier

Capt. Wilhelm Ehrhardt

Don Beddoe

Second Sailor

Nicholas Bela

First Sailor (uncredited)

Leon Belasco

Pierre

Roman Bohnen

Baron Shafter

Nina Borget

Stewardess

Harry C. Bradley

Harry C. Bradley

Prof. Keller

Lloyd Bridges

Blonde Officer

Stanley Brown

Michael

Jack Chefe

Deck Steward

Leslie Denison

English Father

Paul Deno

Doorman

Eddie Fetherston

Reporter

Richard Fiske

Third Photographer

Hans Fuerberg

Second Waiter

Jack Gardner

First Photographer

Gregory Gaye

Von Mueller

Jack George

Orchestra Leader

Brenda Henderson

English Girl

Erwin Kalser

Klaus

Cy Kendall

Maj. Kenlein

Kay Linaker

Barbara Murdock

Richard Lyon

English Boy

Eric Mayne

Cafe Patron

Philo McCullough

Second Photographer

David Oliver

Fourth Photographer

Gerald Pierce

Messenger Boy

Paul Power

Society Man

Frank Reicher

Captain

Georges Renavent

Belgian Captain

John Rogers

Non-Commissioned Officer

Bodil Rosing

Leni

Hans Schumm

Brookner

Walter O. Stahl

Count Marlik

Wyndham Standing

Cafe Patron

Marguerita Sylva

Countess Marlik

Phil Taylor

Hugo

Philip Van Zandt

Radio Operator (Uncredited)

Frederick Vogeding

Carl Schmidt

Charles Wagenheim

Valet

Poppy Wilde

Society Girl

Fred Wolff

First Waiter