(n.) One who mumms, or makes diversion in disguise; a masker; a buffoon.

Roscius actor actress antagonist artist artiste bad guy barnstormer belly dancer burlesque queen character character actor character man character woman child actor chorine chorus boy chorus girl conjurer coryphee dancer dancing girl diseur diseuse dramatizer ecdysiast entertainer exotic dancer feeder female impersonator foil geisha geisha girl guisard guiser heavy histrio histrion hoofer impersonator incognita incognito ingenue juvenile magician masker masquerader matinee idol mime mimer mimic monologist mountebank musician nautch girl pantomime pantomimist peeler performer playactor player prestidigitator protean actor public entertainer reciter show girl singer soubrette stage performer stage player stooge straight man stripper stripteaser stripteuse stroller strolling player theatrical thespian trouper utility man vaudevillian vaudevillist villain