Canadian Mounties Corporal Rod Webb and Constable Mike Kelly, along with Rod's dog Chinook, are sent to the Blackfoot Crossing country to find a killer.
| Actor | Role |
|---|---|
 Kirby GrantRCMP Cpl. Rod Webb | RCMP Cpl. Rod Webb |
| CChinookChinook (as Chinook the Wonder Dog) | Chinook (as Chinook the Wonder Dog) |
| LLorna HansonSandra Dubois | Sandra Dubois |
 Warren DouglasMatt Oliver | Matt Oliver |
 Leonard PennHenchman Morgan | Henchman Morgan |
 Richard AvondeHenchman Cheval | Henchman Cheval |
| RRobert ShermanMountie Constable Mike Kelly | Mountie Constable Mike Kelly |
| JJohn CloseHenchman Howell | Henchman Howell |
 Phil TeadMacGregor - Trading Post Owner | MacGregor - Trading Post Owner |
 Roy GordonMountie Chief | Mountie Chief |
| KKit CarsonAndrews | Andrews |