Stewart Moss (born 27 November 1937 in Chicago, Illinois, U.S.) is an American actor. He made eight guest appearances on Hogan's Heroes, starring Bob Crane, from 1965 to 1971. He also made two guest appearances on Perry Mason, first as murder victim David Cartwell in the 1964 episode, "The Case of the Paper Bullets," and Dan Swanson in "The Case of the Dead Ringer," in 1966 when star Raymond Burr doubled as Mason and murderer Grimes. He has appeared in such TV shows as Murder, She Wrote, Matlock, Riptide, Cagney and Lacey, Magnum, P.I., Barnaby Jones, The Rockford Files, Cannon, Kojak, Star Trek: The Original Series, and Bonanza. He also wrote an episode of Trapper John, M.D. called "Old Man Liver". He is married to actress Marianne McAndrew.