Brothers Tom and Bob Fitzgerald are both members of the Northwest Mounted Police. Bob falls in love with schoolteacher Joan Cameron when he saves her from an attack by Fu Chang.
| Actor | Role |
|---|---|
 Alice LakeJoan Cameron | Joan Cameron |
 Kenneth HarlanCpl. Bob Fitzgerald | Cpl. Bob Fitzgerald |
 Rosemary ThebyMrs. Georges Mordeaux | Mrs. Georges Mordeaux |
 Gaston GlassRalph Fitzgerald | Ralph Fitzgerald |
 Noah BeerySgt. Georges Mordeaux | Sgt. Georges Mordeaux |
 Wallace BeeryFu Chang | Fu Chang |