King of the Jungle

Buster Crabbe

Kaspa

Frances Dee

Ann Rogers

Sidney Toler

Neil Forbes

Nydia Westman

Sue

Robert Barrat

Joe Nolan

Irving Pichel

Corey

Douglass Dumbrille

Ed Peters

Sam Baker

Gwana

Patricia Farley

Kitty

Ronnie Cosby

Kaspa, aged 3

Robert Adair

John C. Knolls (uncredited)

Thomas Amos

Bit Role (uncredited)

Florence Britton

Mrs. Edith Knolls (uncredited)

Don Brodie

Reporter (uncredited)

Leonard Carey

Clerk at Hunting License Bureau (uncredited)

Nora Cecil

Spinster in park (uncredited)

William R. Dunn

Bit Role (uncredited)

Harold Farley

Bit Role (uncredited)

Sam Farrell

Bit Role (uncredited)

William J. Kelly

Government Inspector (uncredited)