Russell Hayden

Rod Stanton

Jane Adams

Marjorie Elmore

Keye Luke

Tal Shan

Lionel Atwill

Sir Eric Hazarias

John Eldredge

Doctor Elmore

Jack Mylong-Münz

Mr. Malborn

Helen Bennett

Indra

John Gallaudet

Professor Grebb

Dick Curtis

Henchman Johnson

George Lynn

Henchman Marlow