(obsolete, law) Someone who institutes a legal suit; a plaintiff or complainant. / (obsolete) Someone acting on behalf of someone else; a guardian.

plural of actor

(rare) The manner or habits of an actor.

(European Union politics) Quality of being an actor (an agent performing an act).

A supporting actor who specializes in playing eccentric or unusual roles.

plural of voice actor

An actor who provides voices or voice-overs for radio drama, animations, commercials, dubbed films, games, etc.

plural of character actor

plural of spect-actor

A member of the audience in the Theatre of the Oppressed, regarded as being on an equal footing with the performers, and not merely a passive observer.