Johnny Weissmüller as Jungle Jim

Myrna Dell as Norina

Elena Verdugo as Li Wanna

Joseph Vitale as Calhoun

Ralph Dunn as Capt. Rawlins

Paul Marion as Chot

Nelson Leigh as Zoron

George J. Lewis as Steve 'Whip' Wilson

Ray Corrigan as Simba the Gorilla (uncredited)

George DeNormand as Cullen (uncredited)

Jody Gilbert as Zulta, the Barmaid (uncredited)

Holmes Herbert as Narrator (voice) (uncredited)

Ethan Laidlaw as Henchman (uncredited)

John Merton as Kesler

Gil Perkins as Dojek

Charles Schaeffer as Lerch

Lee Roberts as Avery - Henchman

Wally West as Sam Welker

Blackie Whiteford as Crewman with Rifle (uncredited)