 | Judy Garland als Dorothy Gale |
 | Ray Bolger als Hunk / Scarecrow |
 | Jack Haley als Hickory / Tin Man |
 | Bert Lahr als Zeke / Cowardly Lion |
 | Frank Morgan als Professor Marvel / The Wizard of Oz |
 | Margaret Hamilton als Miss Gulch / Wicked Witch of the West |
 | Billie Burke als Glinda the Good Witch of the North |
 | Clara Blandick als Auntie Em |
 | Charley Grapewin als Uncle Henry |
 | Pat Walshe als Nikko |
 | Terry als Toto |
 | Adriana Caselotti als Juliet (voice) (uncredited) |
 | Harry Earles als Lollipop Guild Member (uncredited) |
 | Jerry Maren als Lollipop Guild Member (uncredited) |
| Parnell St. Aubin als Munchkin (uncredited) |
 | Billy Bletcher als Mayor / Lollipop Guild Member (voice) (uncredited) |
 | Pinto Colvig als Munchkins (voice) (uncredited) |
| Charles Becker als Munchkin Mayor (uncredited) |
 | Mitchell Lewis als Captain of the Winkie Guard (uncredited) |
 | Buster Brodie als Winged Monkey (uncredited) |
 | Ethelreda Leopold als Emerald City Manicurist (uncredited) |
 | Billy Curtis als Munchkin (uncredited) |
 | Jimmy the Crow als Crow in Cornfield (uncredited) |
 | Eleanor Keaton als Ozmite (uncredited) |
 | Buddy Ebsen als The Tin Man (singing voice) (uncredited) |
 | Angelo Rossitto als Munchkin Villager (uncredited) |
| Victor Fleming | Director |
| Noel Langley | Screenplay |
| Arthur Freed | Producer |
| Edwin B. Willis | Set Decoration |
| Edgar Allan Woolf | Screenplay |
| Harold Rosson | Director of Photography |
| Jack Martin Smith | Production Design |
| William A. Horning | Production Design |
| Mervyn LeRoy | Producer |
| Malcolm Brown | Production Design |
| Florence Ryerson | Screenplay |
| Blanche Sewell | Editor |
| Leonard Murphy | Casting |
| Adrian | Costume Design |
| Cedric Gibbons | Art Direction |
| A. Arnold Gillespie | Special Effects |
| Jack Dawn | Makeup Artist |
| Noel Langley | Adaptation |
| Harold Arlen | Music |
| Keith Weeks | Production Manager |
| L. Frank Baum | Author |
| Lyle Dawn | Makeup Artist |
| Herman J. Mankiewicz | Staff Writer |
| Herbert Stothart | Original Music Composer |
| Wade B. Rubottom | Art Direction |
| Emile LaVigne | Makeup Artist |
| Norbert A. Myles | Makeup Artist |
| Web Overlander | Makeup Artist |
| Fred B. Phillips | Makeup Artist |
| Robert J. Schiffer | Makeup Artist |
| Charles H. Schram | Makeup Artist |
| Lee Stanfield | Makeup Artist |
| Jack H. Young | Makeup Artist |
| Douglas Shearer | Sound Supervisor |
| James Burbridge | Sound |
| G.A. Burns | Sound Mixer |
| O.O. Ceccarini | Sound Designer |
| James Graham | Sound Effects Editor |
| T.B. Hoffman | Sound Editor |
| Lowell Kinsall | Sound Mixer |
| Franklin Milton | Sound Effects |
| George G. Schneider | Sound Mixer |
| Douglas Shearer | Sound Designer |
| Ralph Shugart | Sound Effects Editor |
| Michael Steinore | Sound Supervisor |
| P. Richard Stevens | Sound Recordist |
| Don T. Whitmore | Sound Mixer |
| John A. Williams | Sound Mixer |
| Harold Arlen | Songs |
| E.Y. Harburg | Lyricist |
| King Vidor | Co-Director |
| Elmer Sheeley | Supervising Art Director |
| Cecil Holland | Makeup Department Head |
| Beth Langston | Hairstylist |
| Mervyn LeRoy | Second Unit Director |
| Al Shenberg | Assistant Director |
| Harrold Weinberger | Assistant Director |
| Wallace Worsley Jr. | Assistant Director |
| Jack E. Ackerman | Props |
| Chip Gaither | Sound |
| Standish J. Lambert | Sound Re-Recording Mixer |
| Frank McKenzie | Sound Re-Recording Mixer |
| Franklin Milton | Special Sound Effects |
| Robert Shirley | Sound Re-Recording Mixer |
| William Steinkamp | Sound Supervisor |
| Edwin Bloomfield | Special Effects Supervisor |
| Corril Harris | Special Effects |
| Dorothy Andre | Stunt Double |
| George Bruggeman | Stunts |
| Billy Curtis | Stunts |
| Betty Danko | Stunts |
| Aline Goodwin | Stunts |
| Harry Monty | Stunts |
| Ambrose Schindler | Stunts |
| Sam Cohen | Camera Operator |
| Fred Detmers | Camera Technician |
| Ray Ramsey | Camera Operator |
| George Gibson | Art Direction |
