Mrs. Verloc
Sylvia Sidney
Karl Verloc - Her Husband
Oskar Homolka
Monocle Man (uncredited)
Austin Trevor
Studious Youngster (uncredited)
Charles Hawtrey
The Professor's Daughter (uncredited)
Martita Hunt
Mr. Verloc's Visitor (uncredited)
Torin Thatcher
Peter Bull
Man Walking Past the Cinema as the Light Is Renewed
Alfred Hitchcock
Stevie - Her Young Brother
Desmond Tester
Ted
John Loder
Renee
Joyce Barbour
Superintendent Talbot
Matthew Boulton
Hollingshead
S. J. Warmington
The Professor
William Dewhurst
Mrs. Jones (uncredited)
Clare Greet
Greengrocer (uncredited)
Aubrey Mather
Director of Photography
Bernard Knowles
Editor
Charles Frend
Continuity
Alma Reville
Thanks
Walt Disney
Additional Dialogue
E. V. H. Emmett
Producer
Michael Balcon
Novel
Joseph Conrad
Screenplay
Charles Bennett
Director
Art Direction
Albert Jullion
Camera Operator
Stephen Dade
Scenic Artist
Albert Whitlock
Associate Producer
Ivor Montagu
Oscar Friedrich Werndorff
Music
Jack Beaver
Assistant Director
Pen Tennyson
Hubert Bath
Louis Levy
Wardrobe Designer
Marianne
Music Director
Sound Recordist
Angelina Cameron
Costume Designer
Joe Strassner
Dialogue
Helen Simpson
Ian Hay