This marked the last appearance of Tim Donnelly in TV or film. He is best remembered for playing the annoying Chet in the 1970s show Emergency! (1972) His real-life brother Dennis Donnelly was the director.
The episode's conclusion was filmed at Paradise Cove; the red beach house was used on The Rockford Files episodes Sleight of Hand (1975) and Feeding Frenzy (1976). At one point, one can see the restaurant that was next door to Rockford's trailer. This red beach house was seen in other TV shows of the 1960s and '70s, including Mod Squad (1968), Quincy M.E. (1976), and Charlie's Angels (1976).
The tank used is an M24 Chaffee, first introduced after WWII.