A newspaper reporter and the daughter of an immigrant maintenance man help expose political corruption in New York City.
| Actor | Role |
|---|---|
 Deanna DurbinRosie Moore | Rosie Moore |
 Dick HaymesJohn Matthews | John Matthews |
 Vincent PriceBoss Tweed | Boss Tweed |
 Albert SharpeTimothy Moore | Timothy Moore |
 Tom PowersRogan | Rogan |
 Hobart CavanaughMayor Oakley | Mayor Oakley |
 Thurston HallGovernor Motley | Governor Motley |
 Howard FreemanMyron Schultz | Myron Schultz |
 Tom PediO'Toole | O'Toole |
 Moroni OlsenBig Jim Fitts | Big Jim Fitts |
 Bess FlowersDiner at The Stetson House (uncredited) | Diner at The Stetson House (uncredited) |
| MMary FieldSchoolteacher | Schoolteacher |
| WWilliam SkipperDancer | Dancer |
| NNellie FisherDancer | Dancer |
| PPatricia AlphinGuest | Guest |