- Elsa Lanchester
- Ella Muggins
- Gordon Oliver
- Capt. Franz von Weber
- Lenore Aubert
- Grete Neumann
- Lionel Royce
- Sturmfuehrer Karl Dietrich
- Fritz Feld
- Chief Janitor
- Joseph Vitale
- Lt. Bosch
- Gavin Muir
- Lord Haw-Haw
- Lloyd Corrigan
- Prof. Frederick Walthers
- Anita Sharp-Bolster
- Agnes
- Lydia Bilbrook
- Millie
- Lumsden Hare
- Captain Mack
- Hans Schumm
- Miniger
- Harry Allen
- First Bus Conductor
- Robert Bice
- German Troop Leader
- Heinie Conklin
- Sailor from Freighter
- Georgie Cooper
- First Scrubwoman
- Alec Craig
- Freighter's Cook
- Edmund Glover
- Sailor from Freighter
- Eddie Hart
- German Soldier Shadowing Grete and Franz at Airport
- Olaf Hytten
- Bill Hawkins
- Charles Irwin
- British Reporter
- Guy Kingsford
- Willis
- Pat McKee
- Sailor
- Fred Nurney
- Weirnecht General
- Otto Reichow
- Guard Outside Hitler's Officce
- Betty Roadman
- Mobit Prison Matron
- John Rogers
- Second Air Raid Warden
- Marshall Romer
- Undetermined Secondary Role
- Reginald Sheffield
- Freight Representative
- Sada Simmons
- Third Scrubwoman
- Wyndham Standing
- Doctor
- Harry Strang
- Impatient German Officer
- Philip Van Zandt
- Dietrich's Secretary
- Dorothy Vernon
- Second Scrubwoman
- Paul Weigel
- Berlin Hotel Proprietor
- Pat West
- Second Bus Conductor
- William Yetter Sr.
- German Patrol Officer
