He has a son, Henry Kingi Jr. who was born in 1970 and also a stuntman.
One of his very early film appearances was in the Alfred Hitchcock 1969 film Topaz. In 1970, he had a credited role in the "Run for the Money" episode of Daniel Boone, playing the part of Straight Arrow. In 1974, he was the Candy Man in the Isaac Hayes film Truck Turner. He played Carrot's man in the 1975 film The Ultimate Warrior, which starred Yul Brynner. He had a role as Goody in the 1976 film Car Wash which was directed by Michael Schultz. He also appeared in Batman Returns as a mugger who was attacked by Catwoman. He played the part of Anthony in John Carpenter's Vampires, which starred James Woods, Maximilian Schell and Gregory Sierra.