LOS ANGELES, Feb. 19 (UPI) -- Stephen Tobolowsky has been a familiar face in movies since the '80s. He said his most famous role, in 1993's Groundhog Day , had unlikely origins. Tobolowsky traced his repetitively comedic role back to the 1988 Ku Klux Klan drama Mississippi Burning . The role of KKK Grand Wizard Clayton Townley was one of Tobolowsky's first major supporting roles. In a recent Zoom interview with UPI for his latest film, Mimics , Tobolowsky, 74,, explained how Burning director