O'Malley of the Mounted

George O'Brien

Constable O'Malley aka Duke Kinnard

Irene Ware

Edith 'Edie' Hyland

Stanley Fields

Red Jagger

James Bush

Bud Hyland

Victor Potel

Gabby - the Cook

Reginald Barlow

Commissioner

Richard Cramer

Butch - Henchman

Tom London

Lefty - Henchman

Crauford Kent

Inspector McGregor

Raoul Freeman

Mountie (uncredited)