Michael Stewart Stuhlbarg (born July 5, 1968) is an American actor. He rose to prominence as troubled university professor Larry Gopnik in the 2009 dark comedy film A Serious Man, directed by Joel and Ethan Coen. Stuhlbarg has appeared in numerous films and television series portraying real life figures, such as George Yeaman in Lincoln (2012), Lew Wasserman in Hitchcock (2012), Andy Hertzfeld in Steve Jobs (2015), Edward G. Robinson in Trumbo (2015), Abe Rosenthal in The Post (2017), Stanley Edgar Hyman in Shirley (2020), Arnold Rothstein in HBO's Boardwalk Empire (2010–2013), Richard A. Clarke in The Looming Tower (2018), and as Richard Sackler in Dopesick (2021). His performance in The Looming Tower earned him a Primetime Emmy Award nomination for Outstanding Supporting Actor in a Limited Series or Movie. Stuhlbarg's other notable supporting roles include Hugo (2011), Men in Black 3 (2012), Blue Jasmine (2013), Pawn Sacrifice (2014), Arrival (2016), and Doctor Strange (2016), the third season of the anthology television series Fargo (2017), as well as on the Showtime series Your Honor (2020-present).

In 2017, Stuhlbarg appeared in the films Call Me by Your Name, The Shape of Water, and The Post, all three of which were nominated for the Academy Award for Best Picture. For Call Me By Your Name, Stuhlbarg received multiple film critics' award nominations in the supporting actor category. On stage, Stuhlbarg has acted in numerous productions including the 2005 debut of The Pillowman on Broadway, for which he won a Drama Desk Award and received a Tony Award nomination.