Jan Trevor

Mona Andrews

Borno

Dr. Harry Trevor

Dr. Frank Bracken

Prince Samu

Dr. Charles Phillips

Georgia Trevor

Allen

Mrs. Camerford Amster

Henry Andrews

Dr. Carl Neff

Dr. Carl Neff

Jan Trevor as a Boy

Gen. Tichak

Emperor Mena

Navigator (archive footage)

Dr. Pierce

Speaker at Conference

Guard of Mu

Doctor at Conference

Freighter Captain

Grubb, Freighter's Mate

Emperor's Guard / Mu Sentry

Batu

Lancer Officer-in-Charge

Mrs. Henry Andrews

Kutu

Director

Writer

Producer

Cinematography

Editor