'Slip' Mahoney

Leo Gorcey

Acting

'Sach' Jones

Huntz Hall

Acting

Alfie Grimshaw

Patrick O'Moore

Acting

Dr. Goebbel

Rudolph Anders

Acting

Louie Dumbrowsky

Bernard Gorcey

Acting

Chuck

David Gorcey

Acting

Butch

Benny Bartlett

Acting

Henchman Shanks

Harry Cording

Acting

Trader Holmes

Eric Snowden

Acting

Malaka, head bearer

Woody Strode

Acting

Anaka

Laurette Luez

Acting

Rangori, witch doctor

Joel Fluellen

Acting

Max Lomax

Murray Alper

Acting

Police Officer Flaherty

Pat Flaherty

Acting

Police Captain

Emory Parnell

Acting

Police Scientist

John Harmon

Acting

Chief Mutawa

Roy Glenn

Acting

Helpful Riverboat Crewman

Emil Sitka

Acting

Tarzan

Clint Walker

Acting