Matthew Avery Modine (born March 22, 1959) is an American actor. He rose to prominence through his role as U.S. Marine Private/Sergeant J.T. "Joker" Davis in Stanley Kubrick's Full Metal Jacket (1987). Other films include Birdy (1984), Vision Quest (1985), Married to the Mob (1988), Gross Anatomy (1989), Pacific Heights (1990), Short Cuts (1993), Cutthroat Island (1995), The Dark Knight Rises (2012), and Oppenheimer (2023). On television, he portrayed Dr. Don Francis in the HBO film And the Band Played On (1993), the oversexed Sullivan Groff on Weeds (2007), Ivan Turing in Proof (2015), and Dr. Martin Brenner in Netflix's Stranger Things (2016–2022). Modine has been nominated twice for a Golden Globe Award for Best Actor in a Miniseries or Motion Picture Made for Television for his work in And the Band Played On and What the Deaf Man Heard and received a special Golden Globe for him and the rest of the ensemble in Short Cuts. He was also nominated for a Primetime Emmy Award for Outstanding Lead Actor in a Miniseries or a Special for And the Band Played On. Source: Wikipedia (en)