American singer, actor, writer and producer. He has created and/or produced a number of television series including American Gothic, Roar, Cold Case, Cover Me, The Agency, Invasion, and Emerald City. Cassidy currently serves as executive producer and writer for NBC’s medical drama New Amsterdam While in high school, Cassidy signed a contract with Warner Brothers records, leading to his albums Shaun Cassidy, Born Late, Under Wraps, Room Service, and Wasp. Almost concurrently, Cassidy starred in the ABC television series The Hardy Boys Mysteries, as well as Breaking Away and a stint on the daytime soap General Hospital. While appearing on Broadway in the hit musical drama Blood Brothers, he wrote his first television pilot, American Gothic. In 2020, Cassidy returned to the stage with his one man show The Magic of a Midnight Sky.[2] Cassidy is the eldest son of Academy Award-winning actress Shirley Jones and Tony Award-winning actor Jack Cassidy. His older half-brother was David Cassidy

He scored a couple of hit singles in several countries, leading to an American release of his first solo album, Shaun Cassidy, in 1977. The multi-platinum album netted him a number-one U.S. single with “Da Doo Ron Ron” and a nomination for the Grammy Award for Best New Artist.[4][5] The Eric Carmen–penned “That’s Rock ‘n’ Roll” (which had already been a hit in Australia and Europe) was the follow-up single and peaked at No. 3.