Gene Autry follows a clue written on a rock by his murdered partner and discovers a fur smuggling operation near the Canadian border.
| Actor | Role |
|---|---|
 Gene AutryGene Autry | Gene Autry |
 Smiley BurnetteFrog Millhouse | Frog Millhouse |
 June StoreyDorothy Hamilton | Dorothy Hamilton |
 Harry WoodsJim Hendricks | Jim Hendricks |
 Tully MarshallSteve | Steve |
 Al BridgeMarshal | Marshal |
 Glenn StrangeBob Causer | Bob Causer |
 Dorothy GrangerMrs. Millie Potter | Mrs. Millie Potter |
 Edmund CobbJoe Brennan | Joe Brennan |
| RRobert WinklerWilbur Potter | Wilbur Potter |
 Jack IngramFrazier | Frazier |
| AAugie GomezBlackfeather | Blackfeather |
| JJohn BeachMountie Corporal | Mountie Corporal |