Mountie Tim O'Hara is sent to Indian River to investigate a fur trading racket. But he quickly finds himself in trouble when he is accused of shooting a prisoner in the back and is then put in jail by a fellow Mountie.
| Actor | Role |
|---|---|
 Tim McCoyConstable Tim O'Hara | Constable Tim O'Hara |
 Geneva MitchellMartha Harrison | Martha Harrison |
 Robert AllenConstable Bob Rutledge | Constable Bob Rutledge |
 Ward BondBrad Harrison | Brad Harrison |
 Si JenksHank Bascomb | Hank Bascomb |
 Otto HoffmanHank Stalkey | Hank Stalkey |
 James Pier MasonHorn - Randall's Partner (as James Mason) | Horn - Randall's Partner (as James Mason) |
 Bud OsborneHenchman Randall | Henchman Randall |
 Edward LeSaintDuncan (as Edward Le Saint) | Duncan (as Edward Le Saint) |