Anny Ondra Alice White Sara Allgood Mrs. White Charles Paton Mr. White John Longden Detective Frank Webber Donald Calthrop Tracy Cyril Ritchard The Artist Hannah Jones The Landlady Harvey Braban The Chief Inspector Ex-Det. Sergt. Bishop The Detective Sergeant Alfred Hitchcock Man on Subway (uncredited) Johnny Ashby Boy (uncredited) Joan Barry Alice White (voice) (uncredited) Johnny Butt Sergeant (uncredited) Phyllis Konstam Gossiping Neighbour (uncredited) Sam Livesey The Chief Inspector (silent version) (uncredited) Phyllis Monkman Gossip Woman (uncredited) Percy Parsons Crook (uncredited) Jack E. Cox Director Alfred Hitchcock Director Frank Mills Director