Stories presents Blair
Of The Mounties episode The Most Famous Spy 9/12/38 "Blair of the Mounties is the story of the Royal Northwest Mounted Police -- a fictional series based on the work of the Northwest Mounted Police before the World War I. It was a fifteen minute weekly serial heard every Monday for 36 weeks beginning January 31st, 1938 and running through the 3rd of October of 1938. It may have been on the air as early as 1935, although there’s no actual proof of this.
Little is known of the series other than it followed the exploits of Sgt. Blair of the Northwest Mounted Police. and probably was the inspiration for Trendell, Campbell and Muir's Challenge of the Yukon.
The series was written by Colonel Rhys Davies, who also played the Colonel Blair in the series. Jack Abbot played the Constable."