The Wizard of Oz is a 1939 American musical fantasy film produced by Metro-Goldwyn-Mayer. It was directed primarily by Victor Fleming. Noel Langley, Florence Ryerson and Edgar Allan Woolf received credit for the screenplay.  .  The film stars Judy Garland, Ray Bolger, Jack Haley, Bert Lahr, and Frank Morgan, with Billie Burke, Margaret Hamilton, Charley Grapewin, Clara Blandick and the Singer Midgets as the Munchkins