Ray Corrigan as Steve Collins / The White Gorilla

Lorraine Miller as Ruth Stacey

George J. Lewis as Hutton

Francis Ford as Mr. Stacey

Budd Buster as Carter

Charles King as J. Morgan

Harry Belmore as Alexander Morley

Eugenia Gilbert as Phyllis Morley

Will Herman as Moto

Frank D. Hutter as Rene

Frank Merrill as Ed Bradford

Bobby Nelson as The Jungle Boy

Milburn Morante as Joe Marks

Albert J. Smith as Lou "Brute" Hanley