Like his older half-brother, David Cassidy, big-eyed, boyish actor/singer Shaun Cassidy became one of the big teen idols of the 1970s. The son of actors Jack Cassidy and Shirley Jones, he became a favorite pin-up boy of preadolescent girls after the release of his first hit single "Morning Girl." In 1977, he landed the co-lead in the popular television mystery series The Hardy Boys Mysteries (1977...
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