Jungle Menace

Frank Hardy

Tiger Van Dorn

Ralph Marshall

Valerie Shields

Dorothy Elliott

Tom Banning

Lightning

Chiang-Houseboy

Jim Murphy

Inspector Starrett

Robert Banning

Armand Roget

John Charles

Paul Marshall

Campbell

Professor

Mrs. Maitland

Chandler Elliott

Doctor Coleman

Singapore Joe

Joe Nolan

Angus MacLeod

Hardy's Assistant

Henchman