Thomas F. Wilson — American Actor born on April 15, 1959,
Thomas Francis Wilson Jr. is an American actor, writer, musician, painter, voice-over artist, comedian, and podcaster. He played 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... (wikipedia)