Edward Allen Harris (born November 28, 1950) is an American actor and filmmaker. Harris received nominations for the Academy Award for Best Supporting Actor for his performances in Apollo 13 (1995), The Truman Show (1998), and The Hours (2002). He also directed and starred in Pollock (2000), for which he was nominated for the Academy Award for Best Actor, and Appaloosa (2008). Harris has appeared in numerous leading and supporting roles, including Knightriders (1981), Creepshow (1982), The Right Stuff (1983), Places in the Heart (1984), The Abyss (1989), Glengarry Glen Ross (1992), The Firm (1993), Nixon (1995), The Rock (1996), Stepmom (1998), A Beautiful Mind, Enemy at the Gates (both 2001), A History of Violence (2005), Gone Baby Gone, National Treasure: Book of Secrets (both 2007), The Way Back (2010), Snowpiercer (2013), Mother! (2017), The Lost Daughter (2021), and Top Gun: Maverick (2022). On television, Harris is notable for his roles as Warren on the CBS drama series Lou Grant (1979–81) and Miles Roby on the HBO drama miniseries Empire Falls (2005). He also starred as William / The Man in Black on the HBO dystopian sci-fi western series Westworld (2016–22).