Clive Brook

Dr. Karl Roder

Diana Wynyard

Irena Roder

Raymond Huntley

Rabenau

Derek Farr

Hans Glaser

Joyce Howard

Elly Schmidt

Howard Marion-Crawford

Kummer

John Penrose

Otto

Morland Graham

Father Landbach

Ronald Squire

Rudolf Spiedler

Reginald Beckwith

Emil Fenner

Clifford Evans

Dressler

Bernard Miles

Capt. Muller

Gibb McLaughlin

Dr. Weiner

Muriel George

Hanna

Martita Hunt

Frau Lehmann the Concierge

Hay Petrie

Sebastian

Manning Whiley

S.S. Trooper

Katie Johnson

Granny Schmidt

George Hayes

Policeman

Everley Gregg

Maria Tattenheim

Marie Ault

Woman Customer

Abraham Sofaer

Heini

Joan Hickson

Katie

Wyndham Milligan

S.S. Guard

Bunty Payne

Erna

Pat McGrath

Kurt

Ken Annakin

Radio Announcer (voice) (uncredited)

Ernest Butcher

Chestnut Seller (uncredited)

William Hartnell

Radio Location Aerial Operator (uncredited)

Mike Johnson

Fritz - Fenner's Dresser (uncredited)

Ben Williams

Nagel - Radio Location Expert (uncredited)

Victor Wood

(uncredited)

Howard Lang

Radio Operator (uncredited)