The Call of the Savage
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
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
