The Mysterious Mr. Tiller

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.

• Rupert JulianDirector
• Elliott J. ClawsonWriter

• Ruth CliffordClara Hawthorne
• Rupert JulianPrentice Tiller
• Frank BrownleeRamon Mordant
• Wedgwood NowellStephen Pitt (as Wedgewood Nowell)
• Harry L. RattenberryO'Meara (as Harry Rattenberry)
• E. Alyn WarrenRosario (as E.A. Warren)
• Lloyd WhitlockBanning
• William HigbyChief Detective