Waterston's casting marks down yet another newcomer into the PTA fold so far for the film, joining the likes of Owen Wilson, Reese Witherspoon, Martin Short, Jena Malone, Benicio Del Toro, Josh Brolin, and (probably) Sean Penn in chewing some scenery for the man himself for the very first time.
Make sure to keep checking in for news as it continues to trickle in from the production over the coming days/weeks/months. Things are just getting started!
Stay tuned to Twitter and Facebook for the latest news and updates.
"The Master" is now available on Blu-ray and DVD.