Gregory Martin Itzin (April 20, 1948 – July 8, 2022) was an American character actor of film and television, perhaps best known for his role as Charles Logan in the action thriller series 24. Description above from the Wikipedia article Gregory Itzin, licensed under CC-BY-SA, full list of contributors on Wikipedia
2023The Other Fellow as James Bond
2021The Center Seat: 55 Years of Star Trek (1 Episode) as Self
2019That Guy... Who Was In That Thing 3: Trek Stars as Self
2019Carte Blanche as Bob Sanders
2018Dark, Deadly & Dreadful as Dr. Stanton (Room 731)
2018Ice: The Movie as Joe Grantham
2018The Resident (1 Episode) as Sunflower
2016Sensitivity Training as Barry
2015Room 731 as Doctor Stanton, Dr. Stanton
2014Small Time as Lennie
2012Lincoln as Judge John A. Campbell
2012That Guy... Who Was in That Thing as Self
2011Once Upon a Time (1 Episode) as Alphonse Frankenstein
2011The Ides of March as Jack Stearns
2011The Change-Up as Flemming Steel
2011L.A., I Hate You as George
2010Hawaii Five-0 (1 Episode) as Alex Mackey
2010VideoDome Rent-O-Rama as Mr. Briggs
2009Law Abiding Citizen as Warden Iger
2009The Job as Mr. D
2008Float as Ray Fulton
2008The Mentalist (16 Episodes) as Virgil Minelli
2007I Know Who Killed Me as Dr. Greg Jameson
2007Forfeit as Unknown
2006Hannah Montana (1 Episode) as William Harris
2006Big Love (9 Episodes) as Senator Dwyer
2005Medium (1 Episode) as Senator Jed Garrity
2004Boston Legal (2 Episodes) as A.D.A. Todd Milken
2004Desperate Housewives (2 Episodes) as Dick Barrows
2004The Tony Danza Show (1 Episode) as Self
2004Medical Investigation (1 Episode) as Howard Lewson
2003The Lyon's Den (1 Episode) as Unknown
2003NCIS (2, 1 Episode) as Director Charlie, Spencer Downing
2003DC 9/11: Time of Crisis as John Ashcroft
2003The O.C. (1 Episode) as Stephen Herbert
2002Adaptation. as Prosecutor
2002Without a Trace (1 Episode) as Sydney's Co-Worker
2002Firefly (1 Episode) as Magistrate Higgins
2002Life or Something Like It as Dennis
200124 (11, 21 Episode) as Charles Logan, President Charles Logan
2001Star Trek: Enterprise (1, 1 Episode) as Captain Sopek, Admiral Black
2001Crossing Jordan (1 Episode) as Andrew Helm
2001Wolf Lake (1 Episode) as Gerald Carter
2001Evolution as Cartwright
2001Original Sin as Colonel Worth
2000The Michael Richards Show (1 Episode) as Matty Stillman
2000CSI: Crime Scene Investigation (1 Episode) as Norman Stirling
2000Strip Mall (29 Episodes) as Sergei
2000What's Cooking? as James Moore
1999The West Wing (1 Episode) as State Dept. Representative
1999Family Law (1 Episode) as Mr. Allero
1999Judging Amy (3 Episodes) as ASA Ethan Donahue
1999One Last Flight as Unknown
1999Johnny Tsunami as Headmaster Pritchard
1999The Hunt for the Unicorn Killer as Unknown
1999The Hunt For The Unicorn Killer (2 Episodes) as Unknown
1999$30 as Dad
1998V.I.P. (1 Episode) as Ronnie Beeman
1998Brother's Keeper (1 Episode) as Mr. Weaver
1998Fear and Loathing in Las Vegas as Mint Hotel Clerk
1998The Day Lincoln Was Shot as Mr. Crook
1997The Practice (1, 1, 1, 1, 1 Episode) as U.S. Attorney Al Daly, Michael Stanfield, David Anderson, Atty. Mark Grundel, Atty. Walter Pyne
1997Friends 'Til The End as Mr. Romley
1996Millennium (1 Episode) as Unknown
1996Early Edition (1 Episode) as Bruce Bryce
1996Profiler (3 Episodes) as Unknown
1996The Pretender (1 Episode) as Phil Campbell
1996Suddenly Susan (1 Episode) as Bob
1996Arliss (1 Episode) as Unknown
1996Innocent Victims as Unknown
1995JAG (1 Episode) as Lawrence Culbertson
1995Caroline in the City (1, 1 Episode) as Mr. Lepner, Hank Parsons
1995Murder One (18 Episodes) as D.A. Roger Garfield
1995The Client (1 Episode) as George Sherman
1995Born to Be Wild as Walter Mallinson
1995Star Trek: Voyager (1 Episode) as Dr. Dysek
1994Something Wilder (18 Episodes) as Jack Travis
1994Friends (2 Episodes) as Theodore Hannigan
1994ER (1 Episode) as Burn Doctor
1994Chicago Hope (1 Episode) as Unknown
1993Diagnosis: Murder (2 Episodes) as Andrew King
1993Moment of Truth: Stalking Back as Rick Boyer
1993Donato and Daughter as Cornell
1993Dave's World (1 Episode) as Alvin
1993Young Goodman Brown as George Burroughs
1993Star Trek: Deep Space Nine (1, 1 Episode) as Ilon Tandro, Hain
1992Drive Like Lightning as Unknown
1991Eerie, Indiana (2, 1 Episode) as Unknown, The Mayor
1991Dark Justice (1 Episode) as Unknown
1990Over My Dead Body (13 Episodes) as Unknown
1990Beverly Hills, 90210 (1 Episode) as Unknown
1989Dad as Ralph Kramer
1989The Fabulous Baker Boys as Vince Nancy
1989The Nutt House (6 Episodes) as Unknown
1989Major Dad (1 Episode) as Unknown
1989Jesse Hawkes (1 Episode) as Unknown
1989Quantum Leap (1 Episode) as Sam Phillips
1989Coach (1 Episode) as Tom
1989How to Get Revenge as Officer P.F.
1988Murphy Brown (1 Episode) as Gil Porter
1988Empty Nest (1 Episode) as Frank
1987Jake and the Fatman (1 Episode) as Unknown
1987Carly's Web as Unknown
198721 Jump Street (1 Episode) as Principal Jack Garner
1986L.A. Law (2, 1 Episode) as D.D.A. Jack Angeletti, Jack Angeletti
1986Matlock (2, 1 Episode) as Unknown, Assistant D.A.
1985MacGyver (1 Episode) as Tom Cavanaugh
1985Teen Wolf as English Teacher
1985Grandma's Last Wish as Newton (as Greg Itzin)
1985Street Hawk (1 Episode) as Harvey
1984Murder, She Wrote (1 Episode) as Ralph Brewer
1984Tales from the Darkside (1 Episode) as Newton
1984Hunter (1 Episode) as Charlie Latimer
1984Hard to Hold as Owen
1984Night Court (1, 1 Episode) as Warren Karr, Mugger
1983Scarecrow and Mrs. King (1 Episode) as Unknown
1983The Other Woman as Mario
1983The A-Team (1 Episode) as Howard
1982Airplane II: The Sequel as Young Man (uncredited)
1982St. Elsewhere (1 Episode) as Unknown
1982Voyagers! (2 Episodes) as Unknown
1982Hotel (1 Episode) as Unknown
1982The Best Little Whorehouse in Texas as Melvin's Crew
1982American Playhouse (1 Episode) as Goldsmith
1982Fame (1 Episode) as Unknown
1981Falcon Crest (1 Episode) as Dr. Horatio Bitters
1981Thornwell as Polygraph Tester
1981Hill Street Blues (1, 1 Episode) as Unknown, Dr. Kaplan
1980Airplane! as Religious Zealot #1
1979Knots Landing (1 Episode) as Val's Lawyer
1977Lou Grant (1 Episode) as Young Reporter
1976Charlie's Angels (1 Episode) as Waiter
1956Tony Awards (1 Episode) as Self - Nominee