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.
The Lost World: Jurassic Park
(Dr. Robert Burke)
Wagons East!
(Clayton Ferguson)
Scorcher
(Anderson)
Miracle on Ice
(Dave Christian)
Command 5
(Lew)
Death Wish II
(Nirvana)
Varsity Blues
(Sam Moxon)
The Waterdance
(Dr. Harrison)
Rubber
(Xavier)
The River Wild
(Ranger)
Let the Devil Wear Black
(Bartender)
State of Grace
(Frankie's Man #6)
To Live and Die in L.A.
(Second Suspect)
Super 8
(Rooney)
Out for Justice
(O'Kelly)
The Abyss
(Construction Worker)
The Candidate
(Whitman Hayes)
Casebusters
Strange Men
(Tim)
Poodle Springs
(Fat Cop)
Danger Zone II: Reaper's Revenge
(Dumpster)
The Drone Virus
(Russell Wheeler)
To Protect and Serve
(Stewart)
Eye of the Stranger
(Ballack)
Getting Physical
(Killer)
Two-Fisted Tales
(Scorby (segment "Showdown"))
Guilty As Charged
(Evans)
Odious
(Charlie)
Wolf
(Tom)
World Trade Center
(NYC Command Centre Operator)
Baby Sister
(Michael Fancher)
Gone But Not Forgotten
(Chief O'Malley)
The Standard
(Dylan's Father)
Independence Day
(Lieutenant)
Mercury Rising
(Audey (uncredited))
The X-Files
(Jeffrey Cahn)
Chicago Hope
Family Law
(Carl Layton)
Nasty Boys
Tales from the Crypt
(Deputy Wilson)
Law & Order: LA
(Mel Wilcox)
ER
(Detective Henderson)
Night Court
(Dale Coderko)
Grey's Anatomy
(The Hammer)
NYPD Blue
(Vic's killer)
The Middle
(Jack Meenahan)
Shameless
(Tommy)
Without a Trace
(Bob)
MacGyver
(Corey)
Franklin & Bash
(Police Officer)