Diễn viên
Edward Norris
Eddie Miller
George McKay
Charles 'Chuck' Brown
Kenneth MacDonald
Recruiting Station Doctor
Ernie Adams
Smoke Shop Customer
Cyril Ring
? - [script name: Jefferson]
John Dilson
Guthrie
Bruce Bennett
Lieutenant John Cronin
Sidney Blackmer
Carlyle Harrison
Don Beddoe
Police Inspector Hanley
Edward Hearn
Dynamite Truck Driver
Lester Dorr
Middle Barber [script name: Harry]
Byron Foulger
Bomber
Robert Emmett Keane
Mr. Conrad
Eddie Laughton
George, end barber [script name only: Felix]
Max Wagner
Recruiting Sergeant
Stanley Brown
Smoke Shop Clerk
Eddie Bruce
? - [script name: Clancy]
Al Hill
Booking Room Sergeant
Ethan Laidlaw
Office Henchman
Hugh Prosser
Unspecified Saboteur
Shirley Patterson
Miss Cole, secretary
Edmund Cobb
Officer Brody
Kay Harris
Edith Cassell
John Tyrrell
John Fuller
Harry Tenbrook
Unspecified Saboteur