Kermit Maynard

Character: Mountie Sergeant Mack MacKenzie

Eleanor Hunt

Character: Beth Braden

Russell Hopton

Character: Duke Milford

J. Farrell MacDonald

Character: Inspector

LeRoy Mason

Character: Stone

Gertrude Astor

Character: Mae

Ben Hendricks Jr.

Character: Sam Keene

Walter Brennan

Character: Stuttering Cook

Lloyd Ingraham

Character: Prof. Braden

Nelson McDowell

Character: Tope

Lafe McKee

Character: Old Trapper

Chris Willow Bird

Character: Indian Henchman (uncredited)

Jack Chisholm

Character: Henchman Durkin (uncredited)

Kernan Cripps

Character: Mike - the Bartender (uncredited)

Dick Curtis

Character: Henchman Pete (uncredited)

Henry Hall

Character: Old Trapper #2 (uncredited)

Charles King

Character: Mountie Wallace (uncredited)

Artie Ortego

Character: Henchman Gareau (uncredited)

Tyrone Power

Character: Mountie (uncredited)

Rocky

Character: Mack's Horse (uncredited)