Judy Garland Frank Morgan Karl Slover Ray Bolger Bert Lahr Jack Haley Billie Burke Margaret Hamilton Charley Grapewin Clara Blandick Pat Walshe and Terry as Toto Music by Herbert Stothart (background score) Songs: Harold Arlen (music) E. Y. Harburg (lyrics) Cinematography Harold Rosson Editing by Blanche Sewell Distributed by Metro-Goldwyn-Mayer (original)