Kirby Grant. Kirby Grant was 37 in Trail of the Yukon as 'Bob McDonald - Royal NW Mounted'.
Suzanne Dalbert. Suzanne Dalbert was 22 in Trail of the Yukon as 'Marie Laroux'.
Iris Adrian. Iris Adrian was 37 in Trail of the Yukon as 'Paula'.
Bill Edwards. Bill Edwards was 30 in Trail of the Yukon as 'Jim Blaine'.
Dan Seymour. Dan Seymour was 34 in Trail of the Yukon as 'Tom Laroux'.
William Forrest. William Forrest was 46 in Trail of the Yukon as 'Dawson'.
Anthony Warde. Anthony Warde was 40 in Trail of the Yukon as 'Muskeg Joe'.
Maynard Holmes. Maynard Holmes was 40 in Trail of the Yukon as 'Henchman Buck'.
Peter Mamakos. Peter Mamakos was 30 in Trail of the Yukon as 'Henchman Rand'.
Stanley Andrews. Stanley Andrews was 57 in Trail of the Yukon as 'Rogers'.
Dick Elliott. Dick Elliott was 63 in Trail of the Yukon as 'Editor Sullivan'.
Jay Silverheels. Jay Silverheels was 37 in Trail of the Yukon as 'Poleon'.
William Beaudine. William Beaudine was 57 in Trail of the Yukon as 'Director'
Oliver Drake. Oliver Drake was 46 in Trail of the Yukon as 'Screenplay'John R. Carter. John R. Carter was 41 in Trail of the Yukon as 'Sound'
James Oliver Curwood. James Oliver Curwood would have been no older than 49 in Trail of the Yukon as 'Story'