Richard Jay Potash (born 1948), better known by the stage name Ricky Jay, is an American stage magician, actor, and writer. He is a sleight-of-hand expert and is notable for his card tricks, card throwing, memory feats, and stage patter. As an actor, he is known for his roles in the films Heist, Boogie Nights, and Magnolia, as well as on the acclaimed HBO series Deadwood.