Cast
- Noah Beery Jr. as Jan Trevor
- Dorothy Short as Mona Andrews
- Harry Woods as Borno
- Bryant Washburn as Dr. Harry Trevor
- Walter Miller as Dr. Frank Bracken
- Fred MacKaye as Dr. Charles Phillips
- John Davidson as Prince Samu [Chs. 11-12]
- J. Frank Glendon as Speaker at Conference [Ch. 1]
- Viva Tattersall as Georgia Trevor [Ch. 1]
- Gwendolyn Logan as Mrs. Henry Andrews
Crew
- Lew Landers · Director
- Otis Adelbert Kline · Writer
- Nate Gatzert · Writer
- George H. Plympton · Writer
- Basil Dickey · Writer
- Milton Gatzert · Producer
- Richard Fryer · Cinematographer
- William A. Sickner · Cinematographer
- Irving Applebaum · Editor
- Saul A. Goodkind · Editor
- Alvin Todd · Editor
- Edward Todd · Editor