Alfred HitchcockDirector
Sylvia SidneyMrs. Verloc
Oscar HomolkaKarl Anton Verloc
Desmond TesterSteve Verloc
John LoderDetective Sgt. Ted Spencer
Joyce BarbourRenee
Matthew BoultonScotland Yard Supt. Talbot
S.J. WarmingtonInsp. Hollingshead, Scotland Yard
William DewhurstThe Professor, A.F. Chatman Bird Shop Owner/Bomb Maker
Austin TrevorVladimir (uncredited)
Torin ThatcherYunct (uncredited)
Aubrey MatherW. Brown & Sons greengrocer (uncredited)
Peter BullMichaelis (uncredited)
Charles HawtreyYouth at the Aquarium (uncredited)
