The Trail of the Octopus
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!
| Actor | Role |
|---|---|
 Ben F. WilsonCarter Holmes | Carter Holmes |
 Neva GerberRuth Stanhope | Ruth Stanhope |
 William DyerSandy MacNab | Sandy MacNab |
 Howard CramptonDr. Reid Stanhope | Dr. Reid Stanhope |
 William A. CarrollOmar | Omar |
| MMarie PavisMlle. Zora Ruharde | Mlle. Zora Ruharde |
 Al Ernest GarciaWang | Wang |
 Harry ArcherRaoul Bornay | Raoul Bornay |
| CC.M. WilliamsAboul Shabistari | Aboul Shabistari |
 John GeorgeBorno - The Ape Man | Borno - The Ape Man |
 Charles KingHenchman | Henchman |