Special agent Al Langdon pursues elusive gem smuggler Michael Revere. Going undercover, Langdon joins Revere's gang, and in this capacity is obliged to rescue their beautiful hostage, Mary Lacy.
| Actor | Role |
|---|---|
 Al WilsonAl Langdon | Al Langdon |
| EElsa BenhamMary Lacy | Mary Lacy |
 Jack MowerMichael Rovere | Michael Rovere |
| FFrank TomickFlash Kelly | Flash Kelly |
 Monte MontagueProfessor Simeon Swivel | Professor Simeon Swivel |
| TTaylor N. DuncanCaptain Carter | Captain Carter |
| AArt GoebelAviator | Aviator |
 Frank ClarkeLt. Blount - Aviator | Lt. Blount - Aviator |