Blackmail
movie

A romance of Scotland Yard
Released July 28, 1929
Overview
London, 1929. Frank Webber, a very busy Scotland Yard detective, seems to be more interested in his work than in Alice White, his girlfriend. Feeling herself ignored, Alice agrees to go out with an elegant and well-mannered artist who invites her to visit his fancy apartment.
Cast

Anny Ondra
as
Alice White

Sara Allgood
as
Mrs. White

Charles Paton
as
Mr. White

John Longden
as
Detective Frank Webber

Donald Calthrop
as
Tracy

Cyril Ritchard
as
The Artist

Hannah Jones
as
The Landlady

Harvey Braban
as
The Chief Inspector
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Ex-Det. Sergt. Bishop
as
The Detective Sergeant

Alfred Hitchcock
as
Man on Subway (uncredited)
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Johnny Ashby
as
Boy (uncredited)

Joan Barry
as
Alice White (voice) (uncredited)
Crew

Alfred Hitchcock
as
Screenplay
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Jack E. Cox
as
Director of Photography
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Emile de Ruelle
as
Editor
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C. Wilfred Arnold
as
Art Direction

Alfred Hitchcock
as
Director
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John Maxwell
as
Producer
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Hubert Bath
as
Original Music Composer
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Norman G. Arnold
as
Art Direction
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Dallas Bower
as
Sound Recordist
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Harold V. King
as
Sound
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Harry Miller
as
Sound Editor

Ronald Neame
as
Assistant Camera