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".
| Actor | Role |
|---|---|
 Edmund LoweMile-Away Barry | Mile-Away Barry |
 Mary AstorJeanne | Jeanne |
 Ben BardNick | Nick |
| BBob PerryRitzy Hogan | Ritzy Hogan |
| JJoe BrownHimself | Himself |
 Tom DuganSilky Levine | Silky Levine |
 John KellyBiff Simpson | Biff Simpson |
 Robert Emmett O'ConnorDetective Gilroy | Detective Gilroy |
| RR.O. PennellProfessor | Professor |
 Ed BradySinging Walter | Singing Walter |
 Charles MortonJeanne's Sweetheart | Jeanne's Sweetheart |
 Harry Dunkinson(uncredited) | (uncredited) |
 Al HillGangster (uncredited) | Gangster (uncredited) |
 Frank MoranGangster (uncredited) | Gangster (uncredited) |
 Florence WixDressmaker (uncredited) | Dressmaker (uncredited) |