Full Cast & Crew
Top Billed Cast
Full Cast
Fred MacKaye
Dr. Charles Phillips
Viva Tattersall
Georgia Trevor
William Desmond
Allen
Grace Cunard
Mrs. Camerford Amster
Russ Powell
Henry Andrews
Don Brodie
Dr. Carl Neff
Harry Worth
Dr. Carl Neff
Dickie Jones
Jan Trevor as a Boy
Eddie Kane
Gen. Tichak
Stanley Andrews
Emperor Mena
Richard Alexander
Navigator (archive footage)
King Baggot
Dr. Pierce
J. Frank Glendon
Speaker at Conference
Al Ferguson
Guard of Mu
Eric Mayne
Doctor at Conference
J.P. McGowan
Freighter Captain
Charles Murphy
Grubb, Freighter's Mate
Eddie Parker
Emperor's Guard / Mu Sentry
Buddy Roosevelt
Batu
Hal Taliaferro
Lancer Officer-in-Charge
Gwendolyn Logan
Mrs. Henry Andrews
H. Burroughs
Kutu
Crew
Lew Landers
Director
Basil Dickey
Writer
Milton Gatzert
Producer
William A. Sickner
Cinematography
Alvin Todd
Editor