David Cassidy & Michael Smith

Son of actors Evelyn Ward and Jack Cassidy, David Cassidy had one of the most variety-filled careers in the entertainment industry. He first got his start on the television series The Partridge Family, where he portrayed the singing teen heartthrob Keith Partidge. The show featured a family traveling the country and playing music in a rock band, which even included his real-life stepmother/on-screen mother, Shirley Jones. The role carried over into his real life, where he was regarded in a similar manner by an enthusiastic teen audience. He suddenly found himself making hit si...