Overview
Sergeant Blake of the Northwest Mounted Police is sent to the border to break up a ring of smugglers who are bringing illegal Chinese immigrants into Canada. The ring is led by Ah Ming, a "half-breed" who goes by the name of Dr. Lawler. When Blake encounters Lawler, he is experimenting on a white mouse.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 41 | September 12, 1953 (73) | |
 | 36 | April 15, 1949 (64) | |
 | 39 | January 6, 1931 (48) | |
 | 39 | July 22, 1926 (44) | |
 | - | - | |
 | 49 | April 1, 1956 (83) | |
 | 51 | September 16, 1928 (58) | |
 | 16 | February 2, 1961 (56) |