Sound film "The Clue of the New Pin", a British Lion production using the sound-on-disc British Photophone system. In May, "Black Waters", a British and Dominions Film Corporation promoted as the first UK all-talker, received its initial trade screening; it had been shot completely in Hollywood with a Western Electric sound-on-film system. None of these pictures made much impact. The first successful European dramatic talkie was the all-British "Blackmail". Directed by twenty-nine-year-old Alfred Hitchcock, the movie had its London debut June 21, 1929. Originally shot as a silent, "Blackmail" was restaged to include dialogue sequences, along with a score and sound effects,
Hitchcock (film) film's premiere, Hitchcock first views the audience from the projection booth, looking out through its small window at them. Hitchcock then waits in the lobby for the audience's reaction, conducting slashing motions to their reactions as they scream on cue. The film is rewarded with an enthusiastic reception. With the film's screening so well received, Hitchcock publicly thanks his wife for helping make it possible and they affirm their love and partnership. At the conclusion at his home, Hitchcock addresses the audience noting "Psycho" proved a major high point of his career and he is currently pondering his next project.