THESAURUS
straight man
Roscius, actor, actress, antagonist, bad guy, barnstormer, character, character actor, character man, character woman, child actor, diseur, diseuse, dramatizer, feeder, foil, heavy, histrio, histrion, ingenue, juvenile, matinee idol, mime, mimer, mimic, monologist, mummer, pantomime, pantomimist, playactor, player, protean actor, reciter, soubrette, stage performer, stage player, stooge, stroller, strolling player, theatrical, thespian, trouper, utility man, villain
