Keith David Williams is an American actor, voice artist, and producer. A graduate of the Juilliard School, he is known for his signature deep voice and commanding screen presence, in over 300 roles across film, stage, television, and interactive media. He has starred in such films as The Thing (1982), Platoon (1986), They Live (1988), Dead Presidents (1995), Volcano (1997), There's Something About Mary (1998), Requiem for a Dream (2000), Pitch Black (also 2000), Barbershop (2002), Crash (2004), The Chronicles of Riddick (also 2004), and Cloud Atlas (2012). He starred as Elroy Patashnik in the sixth season of the NBC series Community. In 2016, he began starring as Bishop James Greenleaf in the Oprah Winfrey Network drama Greenleaf. His Emmy-winning voice-over career includes work as the narrator of Ken Burns films such as The War and Muhammad Ali. Characters that he has voiced include the Arbiter Thel 'Vadamee in the Halo series, Goliath on Gargoyles, Vhailor in Planescape: Torment, Al Simmons / Spawn on Todd McFarlane's Spawn, a role he reprised in the fighting game Mortal Kombat 11, David Anderson in the Mass Effect series, Julius Little and himself in the Saints Row series, Dr. Facilier in The Princess and the Frog, Chaos in Dissidia Final Fantasy and 012, the Flame King in Adventure Time, Solovar in The Flash, the Cat in Coraline, King Andrias in Amphibia, the President in Rick and Morty, and Dr. Kane in Archer.