In contrast, the story of Shaun Cassidy‘s half-brother, David Cassidy, took a much different path, with a life that sharply ...

Shirley Jones' Son Ryan Cassidy Releases Children's Book on Day with James Cagney: 'He Was Bigger Than Life' Inside David Cassidy's Complex Relationship with Daughter Katie — Who Was Left Out of ...

David Cassidy: The Last Session' airs Monday night ... The 59-year-old TV producer shared a heartbreaking tribute to his half-brother via social media on Wednesday. Cassidy's rep confirmed on ...