who played biff in back to the future movies
Thomas F. Wilson Thomas Francis Wilson Jr. (born April 15, 1959) is an American actor, voice-over artist, comedian, writer, musician, painter and podcaster best known for playing Biff Tannen, Griff Tannen and Buford "Mad Dog" Tannen in the Back to the Future trilogy and Coach Ben Fredricks on NBC's Freaks and Geeks and for his voice-over work in movies, TV shows and video games.