Gregory Itzin Filmography
- Actor (116 credits)
- Ice (2018) Joe Grantham
- Quantum Theory (2018) Mr. Fenris
- Carte Blanche (2018) Bob Sanders
- 12 Deadly Days (2016) Grandpa
- Sensitivity Training (2016) Barry
- Stay Filthy, Cali (2015)
- Small Time (2014) Lennie
- Any Other Friday (2014) Coach
- Room 731 (2014) Dr. Stanton
- Mob City (2013) Mayor Fletcher Bowron
- Snap (2013) Mr. Clark
- Lincoln (2012) Judge John A. Campbell
- L.A., I Hate You (2011) George
- The Change-Up (2011) Flemming Steel
- The Ides of March (2011) Jack Stearns
- VideoDome Rent-O-Rama (2010) Mr. Briggs
- Autopilot (2010) Dr. Brian
- Covert Affairs (2010) Henry Wilcox
- Law Abiding Citizen (2009) Warden Iger
- The Job (2009) Mr. D
- Law and Order: Really Special Victims Unit (2009) The Captain
- The Mentalist (2008)
- Float (2008) Ray Fulton
- Twilight (2008) Detective
- Nice Girls Don't Get the Corner Office (2007) Stone
- I Know Who Killed Me (2007) Dr. Greg Jameson
- Forfeit (2007)
- The 58th Annual Primetime Emmy Awards (2006) играет самого себя - номинант
- Big Love (2006) Senator Dwyer
- Medical Investigation (2004) Howard Lewson
- Fearless (2004)
- DC 9/11: Time of Crisis (2003) Atty. Gen. John Ashcroft
- The Lyon's Den (2003) Mr. Thomas
- Firefly (2002) Magistrate Higgins
- Life or Something Like It (2002) Dennis
- Adaptation. (2002) Prosecutor
- Igby Goes Down (2002) Eulogist #2, not listed in credits
- For the People (2002) Judge Donald Kingman
- 24 (2001) President Charles Logan
- Original Sin (2001) Colonel Worth
- Enterprise (2001) Admiral Black
- Philly (2001) Paul Cabretti
- Wolf Lake (2001) Gerald Carter
- Evolution (2001) Cartwright
- Boys Life 3 (2000) Scott's Father (segment '$30')
- What's Cooking? (2000) James Moore
- Bull (2000) Lloyd Styner
- Wasteland (1999) Max Brody
- $30 (1999) Dad
- Beggars and Choosers (1999)
- Making Contact (1999) Hans
- Johnny Tsunami (1999) Headmaster Pritchard
- Fly Boy (1999) Joe
- Judging Amy (1999) ASA Ethan Donahue
- The Hunt for the Unicorn Killer (1999) Arlen Specter
- The Day Lincoln Was Shot (1998) Mr. Crook
- Fear and Loathing in Las Vegas (1998) Clerk at Mint Hotel
- C-16: FBI (1997) Royce Bender
- The Practice (1997) Atty. Mark Grundel
- Things That Go Bump (1997)
- Friends 'Til the End (1997) Mr. Romley
- Players (1997) Quentin Belkey
- The Pretender (1996) Phil Campbell
- Profiler (1996) Joel Marks
- The Ultimate Lie (1996)
- Suddenly Susan (1996) Bob
- Innocent Victims (1996)
- The Client (1995) George Sherman
- Born to Be Wild (1995) Walter Mallinson
- Strange Luck (1995) Ted Glenn
- Murder One (1995) D.A. Roger Garfield
- Caroline in the City (1995) Hank Parsons
- The 48th Annual Tony Awards (1994) играет самого себя - номинант: Best Featured Actor in a Play
- Friends (1994) Theodore Hannigan
- Dave's World (1993)
- Donato and Daughter (1993) Cornell
- Diagnosis Murder (1993) Andrew King
- Young Goodman Brown (1993) George Burroughs
- Star Trek: Deep Space Nine (1993)
- Moment of Truth: Stalking Back (1993) Rick Boyer
- Picket Fences (1992) Michael Kramer
- Dark Justice (1991) Sterling Pope
- Homefront (1991) Allan Carmichael
- Eerie, Indiana (1991) The Mayor
- Davis Rules (1991) ведущий
- Civil Wars (1991) Tom Turnbull
- Hi Honey - I'm Dead (1991) Phil
- Gabriel's Fire (1990) Evan Stahl
- Jesse Hawkes (1989) Frank Keith
- Anything But Love (1989)
- Dad (1989) Ralph Kramer
- Major Dad (1989) Mitch Hewitt
- The Fabulous Baker Boys (1989) Vince Nancy
- The Nutt House (1989) Dennis
- Empty Nest (1988) Bill Wallace
- Something Is Out There (1988) Dr. Wilcher
- Frank's Place (1987) Brandon
- Max Headroom (1987) Gregory
- A Year in the Life (1987) Joel
- Carly's Web (1987)
- Matlock (1986) Michael Fitzmorris
- Outlaws (1986) Art Collier
- Head of the Class (1986) Meriner
- Teen Wolf (1985) English Teacher
- Street Hawk (1985) Harvey
- Hard to Hold (1984) Owen
- The Other Woman (1983) Mario
- Tales from the Darkside (1983) Newton
- Miss Lonelyhearts (1983) Goldsmith
- Voyagers! (1982) Davis
- The Best Little Whorehouse in Texas (1982) Melvin's Crew
- Thornwell (1981) Polygraph tester
- Bulba (1981) V. Ogelthorpe
- Murder in Texas (1981) Newsman
- Backstairs at the White House (1979) White House Tour Guide, not listed in credits
- Mork & Mindy (1978) Man #2
