Philip Martin Rubenstein (August 3, 1940 - June 26, 1992) was an American film and television actor. He played Frank Falzone in the short-lived sitcom television series Working Stiffs on three episodes. He played Mel Sloman in the 1984 film Kidco and the Mannequin Factory Boss in the 1987 film Mannequin. Rubenstein guest-starred in numerous television programs, including, Who's the Boss?, Newhart, L.A. Law, Murder, She Wrote, The Jeffersons, The Golden Girls, Taxi and Barney Miller. He died in June 1992 of heart failure in Los Angeles, California, at the age of 51.