Police headquarters has been plagued by a series of robberies, culminating in the theft of a priceless necklace smuggled from Europe. The detectives are on the track of a gang led by master thief Ramon Mordant and his accomplice known as "the Face" because of his twisted and hideous countenance.
| Actor | Role |
|---|---|
 Ruth CliffordClara Hawthorne | Clara Hawthorne |
 Rupert JulianPrentice Tiller | Prentice Tiller |
 Frank BrownleeRamon Mordant | Ramon Mordant |
 Wedgwood NowellStephen Pitt (as Wedgewood Nowell) | Stephen Pitt (as Wedgewood Nowell) |
| HHarry L. RattenberryO'Meara (as Harry Rattenberry) | O'Meara (as Harry Rattenberry) |
 E. Alyn WarrenRosario (as E.A. Warren) | Rosario (as E.A. Warren) |
 Lloyd WhitlockBanning | Banning |
| WWilliam HigbyChief Detective | Chief Detective |