Holt plays police lieutenant McHenry, while Graves is his friendly rival, crime reporter Wally Cook. After the two men verbally duel over a variety of details, they hunker down to business, that of solving the murder of a lawyer who was in the midst of reading a will to a motley collection of heirs.
| Actor | Role |
|---|---|
 Jack HoltLt. McHenry | Lt. McHenry |
 Ralph GravesWally Cook | Wally Cook |
 Sally BlaneMarjory Randolph | Marjory Randolph |
 Susan FlemingFlorence | Florence |
 Blanche FridericiLetty Randolph | Letty Randolph |
 Edward BrophyNelson | Nelson |
 DeWitt JenningsCity Editor | City Editor |
 Tyler BrookeHarvey | Harvey |
 William V. MongLionel | Lionel |
 Fred SantleyTom | Tom |
 Charles MiddletonTupper | Tupper |
 Esther MuirPeggy | Peggy |
 Sidney BraceyPlunkett | Plunkett |