Jack Cassidy dies in fire: 1221 N. King's Road, West Hollywood: the penthouse apartment where actor Jack Cassidy died in a fire in 1976. Cassidy was the former husband of actress Shirley Jones, and the father of both David Cassidy (star of TV's "Partridge Family") and of pop singer Shaun Cassidy. He went to sleep while smoking a cigarette, igniting the couch on which he was sleeping.