Keith David Williams, better known as Keith David, is an American film, television, and voice actor, as well as a singer. Best known for live-action flims, he has appeared in Crash, There's Something About Mary, Barbershop, and Men At Work. He portrayed Bill Guster in the episode "Christmas Joy" on the USA Network hit series Psych.
He married his wife, Dionne Lea Williams, in 2001 and they have been together ever since.