• Acted
• Acted amateurishly
• Acted badly
• Acted broadly, on Broadway
• Acted hammily
• Acted poorly?
• Acted stagily
• Chewed the scenery
• Did B-grade stage work
• Did it broadly, on Broadway
• Did with a passion?
• Didn't act subtly
• Didn't act well
• Didn't hide one's feelings, to say the least
• Emulated Pearl White
• Emulated William Gillette
• Exaggerated a part
• Frustrated the director, perhaps
• Gave an over-the-top performance
• Got melodramatic
• Got theatrical
• Gushed
• Gushed on stage
• Hammed it up
• Hammed it up onstage
• Hammed up 'Hamlet'
• Indulged in cabotinage
• Laid it on thick
• Melodramatized
• Mugged
• Mugged, maybe
• Overacted
• Overdid one's part
• Overplayed
• Overplayed one's feelings
• Overplayed, in a way
• Performed badly?
• Played to the back of the audience
• Put on a show
• Raged onstage
• Was a bad player, perhaps
• Was a ham
• Was hammy
• Was melodramatic
• Waxed melodramatic
• Waxed perfervid
• Went over the top
• Went over the top, in a way
• Wept wildly, maybe