A crusading sportswriter exposes racketeers involved in paying off fighters to throw their matches.
| Actor | Role |
|---|---|
 Rochelle HudsonAlice Fuller | Alice Fuller |
 Michael WhalenTracey Browne | Tracey Browne |
 Thomas BeckClint De Witt | Clint De Witt |
 Alan DinehartRichards | Richards |
 Douglas FowleyStevens | Stevens |
 George HassellJohn De Witt | John De Witt |
 Astrid Allwyn'Bubbles' Carson | 'Bubbles' Carson |
 Chick ChandlerBob Benton | Bob Benton |
 Pat FlahertyDuke Fuller | Duke Fuller |
 William RobertsSinger of 'You're a Knock-out' (uncredited) | Singer of 'You're a Knock-out' (uncredited) |
 Lynn BariSecretary (uncredited) | Secretary (uncredited) |
 Ward BondKramer (uncredited) | Kramer (uncredited) |
 Francis McDonaldCharley (uncredited) | Charley (uncredited) |