Spencer Heyfron Back in the late '70s, teen pop star Shaun Cassidy would ... Situation' of Having 3 Dads, Including Late David Cassidy And going back and looking at it all again has been a welcome ...

Others felt like Stamos looked more like Shaun's late half-brother, David Cassidy, such as one fan who replied, "David Cassidy is that you 🙃😍." Both Shaun and David were major stars ...

Shaun Cassidy Recalls Doing Magic Act for Jennifer Aniston's 5th Birthday: 'Weird Little Part of My Life' (Exclusive) Inside '70s Teen Idol ... Than Life' Inside David Cassidy's Complex ...