В ролях
Dorothy Short
Mona Andrews
Fred MacKaye
Dr. Charles Phillips
Russ Powell
Henry Andrews
Dickie Jones
Jan Trevor as a Boy
Eric Mayne
Doctor at Conference
Charles Murphy
Grubb, Freighter's Mate
Брайант Уошберн
Dr. Harry Trevor
William Desmond
Allen
Grace Cunard
Mrs. Camerford Amster
Eddie Kane
Gen. Tichak
J. Frank Glendon
Speaker at Conference
Al Ferguson
Guard of Mu
Hal Taliaferro
Lancer Officer-in-Charge
Ной Бири мл.
Jan Trevor
John Davidson
Prince Samu
Viva Tattersall
Georgia Trevor
Harry Worth
Dr. Carl Neff
Stanley Andrews
Emperor Mena
Richard Alexander
Navigator (archive footage)
Кинг Баггот
Dr. Pierce
Buddy Roosevelt
Batu
Harry Woods
Borno
Walter Miller
Dr. Frank Bracken
Дон Броди
Dr. Carl Neff
J.P. McGowan
Freighter Captain
Эдди Паркер
Emperor's Guard / Mu Sentry