

A Masquerade of the Underworld
A mob boss' gang gets suspicious about their boss' new girlfriend, a beautiful young girl who doesn't seem to be the type who'd hang out with gangsters. They're not quite certain if she's actually a police agent or just a "groupie".
Irving Cummings

Robert Emmett O'Connor
Detective Gilroy
R.O. Pennell
Professor

Ed Brady
Singing Walter

Charles Morton
Jeanne's Sweetheart

Harry Dunkinson
(uncredited)