Emoters

12 clues
Hams
Gushers
Stage hams
Acting hams
Ham actors.
Actors, often
Hams on stage
Scenery chewers
Thespians, perhaps
Silent-screen stars
They're unsubtle on stage
Stoics' opposites, sort of
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Abaters
Abetters
Aborters
Absolutemonarch
Acadapters
Accepters
Accouters
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Acquitters
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Adapters
Adbusters
Adceremonies
Adelinemoore
Adjustableremortgage
Admanonthemoon
Administers
Administershots
Adopters
Aerometers