Director Rouben Mamoulian in City Streets (1931) introduced the use of “subjective sound”, a voice-over showing what a character is thinking.
While Sylvia Sidney lay alone in bed, she “remembered” what Gary Cooper had said to her earlier, and Gary Cooper’s voice was heard on the soundtrack.
Grace Kelly made eleven movies before becoming Princess of Monaco, beginning with a bit part in Fourteen Hours (1951) and ending with High Society (1956). Born in Philadelphia, Kelly (1928-82) married Prince Rainier III of Monaco in 1956.
Boris Karloff was working on Graft (1931), in which Karloff played a murderer, when director James Whale asked him to do a screen test for Frankenstein (1931). Whale spotted Karloff in the Universal commissary.
Marilyn Monroe was working on Something’s Got to Give (1962) when she died.
The Life of an American Fireman (1903), by Edwin S. Porter (1869-1941), was the first movie to rely heavily on film editing. Porter was the first person to piece together strips of film containing different scenes in order to tell a story. Before Porter, most movies were shot in one take from one camera position.
Herman J. Mankiewicz and Orson Welles were credited with the screenplay for Citizen Kane (1940).
Cecil B. DeMille said, “My mind is not one that grasps the immorality of the bathroom”, defending his right to film bathtub scenes.