Convinced that she has what it takes to be a detective, inquisitive secretary Kitty O'Day gets her chance to put her sleuthing skills to the test when her investment broker boss is mysteriously murdered. But Kitty's investigation hits a snag when Inspector Miles Clancy begins to suspect that she's the culprit.
| Actor | Role |
|---|---|
 Jean ParkerKitty O'Day | Kitty O'Day |
 Peter CooksonJohnny Jones | Johnny Jones |
 Tim RyanInspector Clancy | Inspector Clancy |
 Veda Ann BorgGeorgia Wentworth | Georgia Wentworth |
 Edward GarganMike Storm | Mike Storm |
 Douglas FowleyHarry Downs | Harry Downs |
 Pat GleasonTaxi Driver | Taxi Driver |
 Olaf HyttenCharles | Charles |
 Edward EarleOliver M. Wentworth | Oliver M. Wentworth |
 Herbert HeyesRobert Jeffers | Robert Jeffers |
 Fred AldrichPoliceman Joe Kasinski (uncredited) | Policeman Joe Kasinski (uncredited) |
| JJack GordonHood (uncredited) | Hood (uncredited) |
 Frank HagneySpike (uncredited) | Spike (uncredited) |
 I. Stanford JolleyFenton Arms Desk Clerk (uncredited) | Fenton Arms Desk Clerk (uncredited) |
 Wilbur MackCoroner (uncredited) | Coroner (uncredited) |
 Dewey RobinsonBuilding Watchman (uncredited) | Building Watchman (uncredited) |
| HHal TaggartMan Loitering Outside Building (uncredited) | Man Loitering Outside Building (uncredited) |