Keith David is all over the place. He often shows up in small but memorable roles, such as Mary's father in There's Something About Mary or Big Tim in Requiem for a Dream. He may be even better known for his voice, which narrates the City Confidential television series and several of Ken Burns' documentaries, and appears in the Halo, Fallout and Mass Effect videogame series. Of his many dozens of film appearances, perhaps his most memorable is the drawn-out fistfight in They Live.