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