David Bruce Cassidy (April 12, 1950 - November 21, 2017) was an American actor, singer, songwriter and guitarist. He was known for his role as Keith Partridge in the musical/sitcom The Partridge Family from 1970 to 1974.
Cassidy appears on a poster on the wall in the jail cell of Andy Dufresne, played by Peter Griffin in the segment of "Three Kings" which parodies The Shawshank Redemption.