- John Preston
- Mountie Sergeant Bruce Morton
- Dynamite the Horse
- Dynamite
- Captain King of Dogs
- Captain
- Myrla Bratton
- Mildred Boynton
- William Desmond
- Royce Horter
- Tom London
- Burke
- Harold Berquist
- Simpson
- Fred Parker
- Old Dan Parker
- James Sheridan
- Billy Boynton
- Tiny Skelton
- Mountie Corporal Tiny Anderson
- Harry Beery
- Mountie Inspector Dawson
- Jack Jones
- Lightfoot
- Frank Lackteen
- Henchman
- Clyde McClary
- Bartender
- Francis Walker
- Henchman
- Chief White Feather
- Henchman Lobo
