David Cassidy’s younger brother is proud of ... David was from Jack’s first marriage to actress Evelyn Ward. Sadly, Jack died in a house fire at 49 in 1976. Ryan, who built a career behind ...

actor Jack Cassidy, suffered from bipolar disorder and alcoholism, and displayed increasingly erratic behavior towards the end of his life. He died in a fire in 1976 when he fell asleep with a lit ...

Jack Cassidy was drinking heavily on his own the ... the lit cigarette ignited a blaze in his apartment that was not put out until fire services arrived in the early morning.