Multi-talented figure who graduated from stand-up comedy to eilm, making his screen acting debut in Paul Mazursky's "Willie and Phil" (1980) and contributing a fine dramatic performance in "A Soldier's Story" (1984).Frustrated at the dearth of significant screen roles for blacks, Townsend scraped together some $100,000 (putting most of it on his assortment of credit cards) to produce, direct, write and star in his witty lampoon of the travails of an aspiring minority actor, "Hollywood Shuffle" (1987). His subsequent credits include Eddie Murphy's concert movie, "Raw" (1987), several cable TV