Overview
Carter Holmes, master criminologist, must help the oft-kidnapped Ruth Stanhope to find the 9 daggers that will unlock the secret of the cursed Devil's Trademark!
Cast
- Ben F. Wilson as Carter Holmes
- Neva Gerber as Ruth Stanhope
- William Dyer as Sandy MacNab
- Howard Crampton as Dr. Reid Stanhope
- William A. Carroll as Omar
- Marie Pavis as Mlle. Zora Ruharde
- Al Ernest Garcia as Wang
- Harry Archer as Raoul Bornay
- C.M. Williams as Aboul Shabistari
- John George as Borno - The Ape Man