Northern Frontier

Kermit Maynard Mountie Sergeant Mack MacKenzie

Eleanor Hunt Beth Braden

Russell Hopton Duke Milford

J. Farrell MacDonald Inspector

LeRoy Mason Stone

Gertrude Astor Mae

Ben Hendricks Jr. Sam Keene

Walter Brennan Stuttering Cook

Lloyd Ingraham Prof. Braden

Nelson McDowell Tope

Lafe McKee Old Trapper

Chris Willow Bird Indian Henchman (uncredited)

Jack Chisholm Henchman Durkin (uncredited)

Kernan Cripps Mike - the Bartender (uncredited)

Dick Curtis Henchman Pete (uncredited)

Henry Hall Old Trapper #2 (uncredited)

Charles King Mountie Wallace (uncredited)

Artie Ortego Henchman Gareau (uncredited)

Tyrone Power Mountie (uncredited)

Rocky Mack's Horse (uncredited)