The Wizard of Oz is a 1939 American musical comedy-drama fantasy film produced by Metro-Goldwyn-Mayer, and the most well-known and commercially successful adaptation based on the 1900 novel The Wonderful Wizard of Oz by L. Frank Baum. The film stars Judy Garland as Dorothy Gale. The film co-stars Terry the dog, billed as Toto; Ray Bolger, Jack Haley, Bert Lahr, Frank Morgan, Billie Burke, and Margaret Hamilton, with Charley Grapewin and Clara Blandick, and the Singer Midgets as the Munchkins.