Character actor Curtis Armstrong is best-known for two continuing roles: the lovelorn operative Herbert Viola on TV's "Moonlighting" (ABC, 1985-89) and Dudley "Booger" Dawson in four "Revenge of the Nerds" movies and TV films. Armstrong began acting in his native Michigan, where he founded his own theater company. By the early 1980s, he was touring with "Da" and appearing in regional theaters around the country.