Cast and credits of Blackmail

Directed by

Alfred Hitchcock

Starring

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

Ex-Det. Sergt. Bishop
The Detective Sergeant (as Ex-Det. Sergt. Bishop - Late C.I.D. Scotland Yard)

Joan Barry
Alice White (voice) (uncredited)

Alfred Hitchcock
Man on Subway (uncredited)

Phyllis Konstam
Gossiping Neighbour (uncredited)

Sam Livesey
The Chief Inspector (silent version) (uncredited)

Written by

Charles Bennett
(from the play by)

Alfred Hitchcock
(adapted by)

Benn W. Levy
(dialogue) (as Benn Levy)

Michael Powell
uncredited