In addition to being a Deadhead, Markovits greatly enjoys the company of golden retrievers who have been his constant companions for three decades.
He is an avowed "Deadhead" (ardent fan of the American rock and roll band The Grateful Dead), and is a member of Congressional Country Club in Bethesda, Maryland where he resides with his wife, Jennifer, and their child, Bobbie.
Jody McCrea, who played "Deadhead" in Beach Party, Muscle Beach Party and Bikini Beach, is now called "Bonehead" in this film, as AIP had decided the term "Deadhead" was a so-called 'bankable noun' and had decided to cast Avalon as the title character of their upcoming Sergeant Deadhead.
Others who work for Kien include a reptilian joker called Wyrm who can track people by their taste, the brain-eating ace Deadhead, drug designer Quinn the Eskimo, a minor ace mercenary named Christian, Tachyon's grandson Blaise Andrieux during his brief stint as leader of the Jumpers, and a small army of crooked cops and politicians who are on the take.