Richard Jay Potash (born 1948), known professionally as Ricky Jay, is an American stage magician, actor, and writer. In a profile for the New Yorker, Mark Singer called Jay "perhaps the most gifted sleight of hand artist alive". In addition to sleight of hand, Jay is known for his card tricks, card throwing, memory feats, and stage patter. He has also written extensively on magic and its history. His acting credits include the films The Prestige, The Spanish Prisoner, Mystery Men, Heist, Boogie Nights, Tomorrow Never Dies, and Magnolia, and the HBO series Deadwood.