Judy Garland as Dorothy Gale

Ray Bolger as "Hunk" / Scarecrow

Jack Haley as "Hickory" / Tin Man

Bert Lahr as "Zeke" / Cowardly Lion

Frank Morgan as Professor Marvel / The Wizard of Oz

Margaret Hamilton as Miss Gulch / Wicked Witch of the West

Billie Burke as Glinda

Charley Grapewin as Uncle Henry

Pat Walshe as Nikko

Clara Blandick as Auntie Em

Terry as Toto

Adriana Caselotti as Juliet (voice) (uncredited)

Harry Earles as Lollipop Guild Member (uncredited)

Jerry Maren as Lollipop Guild Member (uncredited)

Buddy Ebsen as Tin Man (singing voice) (uncredited)

Parnell St. Aubin as Munchkin (uncredited)

Billy Bletcher as Mayor / Lollipop Guild Member (voice) (uncredited)

Pinto Colvig as Munchkins (voice) (uncredited)

Charles Becker as Munchkin Mayor (uncredited)

Mitchell Lewis as Captain of the Winkie Guard (uncredited)

Buster Brodie as Winged Monkey (uncredited)

Ethelreda Leopold as Emerald City Manicurist (uncredited)

Billy Curtis as Munchkin (uncredited)

Eleanor Keaton as Ozmite (uncredited)

Angelo Rossitto as Munchkin Villager (uncredited)

Meinhardt Raabe as Coroner Munchkin (uncredited)

Elaine Merk Binder as Munchkin (uncredited)