
From Wikipedia, the free encyclopedia Thomas Francis Duffy (born November 9, 1955) is a versatile American character actor, writer, musician, and athlete. He is best known for playing hippie Paleontologist Dr. Robert Burke in The Lost World: Jurassic Park and as Sam Moxon, the football loving dad in Varsity Blues. Description above from the Wikipedia article Thomas F. Duffy, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Grey's Anatomy
TV • 2005

Shameless
TV • 2011

The X-Files
TV • 1993

Without a Trace
TV • 2002

ER
TV • 1994

MacGyver
TV • 1985

Chicago Hope
TV • 1994

The Middle
TV • 2009

Night Court
TV • 1984

NYPD Blue
TV • 1993

Matlock
TV • 1986

T. J. Hooker
TV • 1982

Tales from the Crypt
TV • 1989

Franklin & Bash
TV • 2011

Family Law
TV • 1999

Law & Order: LA
TV • 2010

The Agency
TV • 2001

The Magnificent Seven
TV • 1998