Keith David Williams (born June 4, 1956), better known by the stage name Keith David, is an Emmy Award-winning American film, television, and voice actor. He is perhaps most known for his live action roles in such films as Crash, There's Something About Mary, Barbershop and Men at Work. He has also had memorable roles in numerous cult favorites, including John Carpenter's films The Thing (as Childs) and They Live (as Armitage), and as King in Oliver Stone's Platoon. David is also well known for his voice over career, primarily his Emmy winning work as the narrator of numerous Ken Burns films. He is also known for playing the role of Spawn in Todd McFarlane's Spawn, Goliath on the Disney series Gargoyles and the Arbiter in Halo 2 and Halo 3, as well as the Decepticon Barricade in Transformers: The Game. He voiced the Cat in the movie.