Northern Frontier

Kermit Maynard

As Mountie Sergeant Mack MacKenzie

Eleanor Hunt

As Beth Braden

Russell Hopton

As Duke Milford

J. Farrell MacDonald

As Inspector

LeRoy Mason

As Stone

Gertrude Astor

As Mae

Ben Hendricks Jr.

As Sam Keene

Walter Brennan

As Stuttering Cook

Lloyd Ingraham

As Prof. Braden

Nelson McDowell

As Tope

Lafe McKee

As Old Trapper

Chris Willow Bird

As Indian Henchman (uncredited)

Jack Chisholm

As Henchman Durkin (uncredited)

Kernan Cripps

As Mike - the Bartender (uncredited)

Dick Curtis

As Henchman Pete (uncredited)

Henry Hall

As Old Trapper #2 (uncredited)

Charles King

As Mountie Wallace (uncredited)

Artie Ortego

As Henchman Gareau (uncredited)

Tyrone Power

As Mountie (uncredited)

Rocky

As Mack's Horse (uncredited)