Crispin Glover Biography Crispin Hellion Glover was born on April 20, 1964, is an American movie actor, director and screenwriter, avant-garde musician and self-published author. Glover is well-known for portraying eccentric people on screen such as George McFly in Back to the Future, Layne in River's Edge, unfriendly recluse Rubin Farr in Rubin and Ed, the "Creepy Thin Man" in the big screen a... more.