Sara Allgood
饰 Mrs. White
Charles Paton
饰 Mr. White
John Longden
饰 Detective Frank Webber
Cyril Ritchard
饰 The Artist
Hannah Jones
饰 The Landlady
Harvey Braban
饰 The Chief Inspector
Ex-Det. Sergt. Bishop
饰 The Detective Sergeant
阿尔弗雷德·希区柯克
饰 Man on Subway (uncredited)
Johnny Ashby
饰 Boy (uncredited)
Joan Barry
饰 Alice White (voice) (uncredited)
Johnny Butt
饰 Sergeant (uncredited)
Phyllis Konstam
饰 Gossiping Neighbour (uncredited)
Sam Livesey
饰 The Chief Inspector (silent version) (uncredited)
Phyllis Monkman
饰 Gossip Woman (uncredited)
Percy Parsons
饰 Crook (uncredited)
