* The Exonerated (Actors' Gang Theatre, 6209 Santa Monica Blvd., Hollywood,  465-0566, Ext. 15). Ken Palmer, above, plays one of six death row inmates freed by new evidence in the drama based on interviews with 100 people who were wrongly convicted. The actors tell their harrowing stories directly to the audience in the narrative written by Jessica Blank and Erik Jensen, culled almost entirely from the survivors' own words. Sat., 7 p.m.; Sun., 2 p.m. Indefinitely. $25.