Questions & Answers about Turba actoribus plaudit, et ego etiam plaudo.
Actoribus is dative plural of actor, actoris (actor). With plaudere, Latin commonly uses the dative for the person being applauded:
- plaudere alicui = to applaud someone (literally, to clap for someone).
So turba actoribus plaudit = the crowd applauds the actors.