>>719867641 (OP)
Theatre actors have to assume that the audience canโt necessarily see them properly, so their voice has to do a lot of heavy lifting to get their intent across. They also have to do multiple productions a day over the course of weeks, if not months, so they have to make sure they donโt fuck their voices up.
Most critically, however, they have the mentality of never assuming theyโre too good for a gig. Sure, youโll want to be aiming for the Dane at the West End, but sometimes youโve got to settle for being the Dame at a panto to pay the bills, make connections and just stay in the game. If you can keep a straight face for the serious parts there, chances are you wonโt think youโre wasted voicing Dr Simian monologuing as he unleashes his legion of super apes.