Hugh Sinclair
Humphrey Mansfield
Griffith Jones
James Brodie
Francis L. Sullivan
Leon Poiccard
Alan Napier
Sir Hamar Ryman M.P.
Lydia Sherwood
Myra Hastings
Edward Chapman
B.J. Burrell
Athole Stewart
Police Commissioner
George Merritt
Inspector Falmouth
Ellaline Terriss
Lady Willoughby
Roland Pertwee
Mr Hastings
Frederick Piper
Pickpocket (uncredited)
Henrietta Watson
Mrs. Truscott
Jon Pertwee
Rally campaigner (uncredited)
Liam Gaffney
Taxi driver (uncredited)
Manning Whiley
(uncredited)
Basil Radford
(uncredited)
Paul Sheridan
(uncredited)
Winston Churchill
Self (archive footage) (uncredited)
Arthur Hambling
Constable Benham
Bryan Herbert
Taxi driver (uncredited)
Adolf Hitler
Self (archive footage) (uncredited)
James Knight
Policeman Outside Parliament (uncredited)
Percy Parsons
American Broadcaster (uncredited)
Charles Paton
Platform Speaker (uncredited)
Percy Walsh
Prison Governor (uncredited)
