
Berry married Jackie Joseph, a Billy Barnes castmate on May 29, 1960. They adopted two children together: son John Kenneth in 1964 and daughter Jennifer Kate in 1965.[4] They divorced in 1976. His son John, who later became the co-founder of the Indie rock band Idaho, died in 2016 of brain cancer at the age of 51. Berry "loved cars and anything with wheels" from the time he was a young child, particularly smaller cars, and maintained a 1966 Mini Moke. An avid motorcyclist, he camped and rode the local Los Angeles mountain ranges. Berry died in Burbank, California on December 1, 2018 at the age of 85.