Roscius, actor, actress, antagonist, ape, bad guy, barnstormer, character, character actor, character man, character woman, child actor, conformist, copier, copycat, copyist, counterfeiter, cuckoo, diseur, diseuse, dissembler, dissimulator, dramatizer, echo, echoer, echoist, faker, feeder, foil, forger, heavy, histrio, histrion, hypocrite, imitator, impersonator, impostor, ingenue, juvenile, matinee idol, mime, mimic, mimicker, mocker, mockingbird, monkey, monologist, mummer, pantomime, pantomimist, parrot, phony, plagiarist, playactor, player, poll-parrot, polly, polly-parrot, poseur, protean actor, reciter, sheep, simulator, soubrette, stage performer, stage player, stooge, straight man, stroller, strolling player, theatrical, thespian, trouper, utility man, villain