Slip and the gang stray from newspaper work to detective work.
| Actor | Role |
|---|---|
 Leo GorceySlip Mahoney | Slip Mahoney |
 Huntz HallSach Jones | Sach Jones |
 Edward RyanMr. Carver | Mr. Carver |
 Mickey Knox'Angles' Carson | 'Angles' Carson |
 Gabriel DellOfficer Gabe Moreno | Officer Gabe Moreno |
 William BenedictWhitey | Whitey |
 Benny BartlettButch | Butch |
 David GorceyChuck | Chuck |
 Joe TurkelHenchman Johnny Martin | Henchman Johnny Martin |
 Richard BenedictHenchman Miami | Henchman Miami |
| JJean DeanHenchwoman Vickie Darwell | Henchwoman Vickie Darwell |
 Bernard GorceyLouie Dumbrowsky | Louie Dumbrowsky |
 Rory MallinsonMartin Lovell, cartoonist | Martin Lovell, cartoonist |
 Ray WalkerJames Cobb, city editor | James Cobb, city editor |
| PPepe HernBertie Spangler | Bertie Spangler |