The Squaw Man
R: Oscar Apfel, Cecil B. DeMille. B: Edwin Milton Royle (play). K: Alfred Gandolfi. D: Dustin Farnum, Monroe Salisbury, Winifred Kingston. P: Jesse L. Lasky Feature Play Company. USA 1914

Young Cecil B. DeMille’s first motion picture – the first feature-length film produced in Hollywood by a major film studio (distributed by Famous Players-Lasky Corporation). It was the first film to use an art director.
Filmsite

Cecil B. DeMille on this website:
>>> The Virginian, 1914
>>> The Girl of the Golden West, 1914/15
>>> Carmen, 1915
>>> The Cheat, 1915
>>> The Captive, 1915
>>> The Golden Chance, 1915