Blackmail. 1929. Great Britain. Directed by Alfred Hitchcock. Screenplay by Hitchcock, Benn W. Levy, Charles Bennett, based on the play by Bennett. With Anny Ondra, Sara Allgood, John Londgen. 35mm. Silent. 75 min.
Hitchcock comments on silent film and the incorporation of sound in cinema: “Well, the silent pictures were the purest form of cinema; the only thing they lacked was the sound of people talking and the noises.”