Cast

Hugh Sinclair
Humphrey Mansfield

Griffith Jones
James Brodie

Francis L. Sullivan
Leon Poiccard

Frank Lawton
James Terry

Anna Lee
Ann Lodge

Alan Napier
Sir Hamar Ryman M.P.

Basil Sydney
Frank Snell

Lydia Sherwood
Myra Hastings

Edward Chapman
B.J. Burrell

Athole Stewart
Police Commissioner

George Merritt
Inspector Falmouth

Garry Marsh
Bill Grant

Ellaline Terriss
Lady Willoughby

Roland Pertwee
Mr Hastings

Eliot Makeham
Simmons

Frederick Piper
Pickpocket (uncredited)

Henrietta Watson
Mrs. Truscott

Jon Pertwee
Rally campaigner (uncredited)

Liam Gaffney
Taxi driver (uncredited)

Manning Whiley
(uncredited)

Basil Radford
(uncredited)

Edward Rigby
(uncredited)

Winston Churchill
Self (archive footage) (uncredited)

Arthur Hambling
Constable Benham

Bryan Herbert
Taxi driver (uncredited)

Adolf Hitler
Self (archive footage) (uncredited)

Percy Parsons
American Broadcaster (uncredited)

Charles Paton
Platform Speaker (uncredited)
Crew

Roland Pertwee
Writer

Walter Forde
Director

Edgar Wallace
Novel

Angus MacPhail
Writer

Ronald Neame
Director of Photography

Michael Balcon
Producer
