Steve McQueen and Bing Russell were both in the Magnificent Seven.
The dog in this is the same dog that starred in Old Yeller.
In an odd coincidence, Rafael Campos played the same character in two separate TV series. Here, he portrays Pachito. Three weeks earlier, he portrayed Doroteo in Have Gun - Will Travel. Despite the two different characters' names, both grew up and assumed the name Pancho Villa - the Mexican outlaw and revolutionary, who raided Southwest border towns and ranches in hopes of drawing the USA into a second Mexican war to overthrow the ruling regime.