David Bruce Cassidy (born April 12, 1950) is a retired American actor, singer, songwriter, and guitarist. He is known for his role as Keith
Partridge, the son of Shirley Partridge (played by his stepmother Shirley Jones), in the 1970s musical-sitcom The Partridge Family, which
led to his becoming one of popular culture's teen idols and pop singers of the 1970s. He later had a career in both acting and music.
Courtesy of Wikipedia