Blackmail (1929 movie)
1929 film by Alfred Hitchcock
Blackmail is a 1929 British thriller movie directed by Alfred Hitchcock in his first sound movie and was based on the 1928 play of the same name by Charles Bennett. It stars Anny Ondra, Sara Allgood, Charles Paton, John Longden, Donald Calthrop, Cyril Ritchard.