Ronald Ralph Schell (born December 23, 1931) is an American actor, stand-up comedian, and voice actor. He appeared on the May 28, 1959, episode of the TV quiz program You Bet Your Life, hosted by Groucho Marx. Schell demonstrated a comic barrage of beatnik jive talk. As a stand-up comedian, he first developed his act at the hungry i nightclub in San Francisco, California. Schell is probably best known in his 1960s television role as Duke Slater in Gomer Pyle, U.S.M.C.