King of the Congo

Buster Crabbe

Thunda / Roger Drum

Gloria Dea

Princess Pha

Leonard Penn

Boris

Rick Vallin

Andreov

Jack Ingram

Clark

Nick Stuart

Degar

William Fawcett

High Priest

Neyle Morrow

Nahee

Bart Davidson

Alexis

Rusty Wescoatt

Kor