David Harbour and Kyle MacLachlan both know a few things about being on cult shows — with Harbour’s breakthrough performance on Netflix’s “Stranger Things,” and MacLachlan’s return to his iconic role on “Twin Peaks,” now on Showtime. But the two actors, during their chat for Variety‘s “Actors on Actors” presented by Shutterstock, also found common ground comparing notes on working with directors, how they prepare for their roles, and how they overcame the biggest hurdles in their paths.