William Earl Brown (born September 7, 1963) is an American actor, screenwriter, producer, musician, and songwriter.

He has appeared in films such as Backdraft, The Master, Being John Malkovich, The Sessions, Vanilla Sky, The Lone Ranger, and Bloodworth (which he also wrote and produced), as well as series such as Seinfeld, NYPD Blue, CSI: Crime Scene Investigation, CSI: Miami, The X-Files, Six Feet Under, Preacher, Bates Motel, True Detective, American Horror Story, Chicago Fire, Psych, and The Mandalorian.

[1][2] After his breakout performance in Steppenwolf Theatre Company's outreach staging of Arthur Miller's A View from the Bridge, Brown began working in television and film.

He played Warren in the 1998 comedy film There's Something About Mary and later took roles in Being John Malkovich, Vanilla Sky, Dancing at the Blue Iguana, The Alamo, and The Big White.

He has also guest starred on Bates Motel, Rectify, Luck, American Horror Story, Justified, Six Feet Under, NYPD Blue, X-Files, The Mentalist, CSI: Crime Scene Investigation, Ellen, Seinfeld, True Detective,[4] and others.