The Rifleman starred Chuck Connors, as widowed rancher Lucas McCain, alongside Johnny Crawford as his young son, Mark McCain.
The legendary American Western TV series was based in a small town in the New Mexico Territory in the 1870s and 1880s, an area which seemed to attract sharpshooters from far and wide.
The show aired for five seasons and was one of the most cherished TV shows of the late 1950s and early 1960s. The life lessons and character reveal that played out captivated its audience until the end.
Here are some of the biggest behind the scenes facts you may be shocked to learn.