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.
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Movies
Fear and Loathing in Las Vegas
Mint Hotel Clerk
Original Sin
Colonel Worth
The Ides of March
Jack Stearns
I Know Who Killed Me
Dr. Greg Jameson
Law Abiding Citizen
Warden Iger
Float
Ray Fulton
Life or Something Like It
Dennis
Forfeit
L.A., I Hate You
George
That Guy... Who Was in That Thing
Self
One Last Flight
The Day Lincoln Was Shot
Mr. Crook
The Change-Up
Flemming Steel
Evolution
Cartwright
DC 9/11: Time of Crisis
John Ashcroft
Moment of Truth: Stalking Back
Rick Boyer
Born to Be Wild
Walter Mallinson
Sensitivity Training
Barry
Adaptation.
Prosecutor
Small Time
Lennie
The Fabulous Baker Boys
Vince Nancy
Thornwell
Polygraph Tester
$30
Dad
Hard to Hold
Owen
Carte Blanche
Bob Sanders
Young Goodman Brown
George Burroughs
Ice: The Movie
Joe Grantham
Dark, Deadly & Dreadful
Dr. Stanton (Room 731)
The Job
Mr. D
The Best Little Whorehouse in Texas
Melvin's Crew
Johnny Tsunami
Headmaster Pritchard
Room 731
Dr. Stanton
Carly's Web
That Guy... Who Was In That Thing 3: Trek Stars
Self
Teen Wolf
English Teacher
Airplane!
Religious Zealot #1
Dad
Ralph Kramer
The Other Woman
Mario
The Hunt for the Unicorn Killer
The Other Fellow
James Bond
Donato and Daughter
Cornell
Lincoln
Judge John A. Campbell
What's Cooking?
James Moore
Murder in Texas
Newsman
Drive Like Lightning
Room 731
Doctor Stanton
Grandma's Last Wish
Newton (as Greg Itzin)
How to Get Revenge
Officer P.F.
Airplane II: The Sequel
Young Man (uncredited)
Shows
Star Trek: Enterprise
Captain Sopek
Beverly Hills, 90210
Matlock
Crossing Jordan
Andrew Helm
Knots Landing
The O.C.
Murder One
D.A. Roger Garfield
Charlie's Angels
Waiter
Strip Mall
Sergei
Eerie, Indiana
ER
Burn Doctor
Boston Legal
A.D.A. Todd Milken
Voyagers!
Chicago Hope
St. Elsewhere
Medium
Senator Jed Garrity
Falcon Crest
Arliss
The Tony Danza Show
Self
Murder, She Wrote
Ralph Brewer
Medical Investigation
L.A. Law
D.D.A. Jack Angeletti
Tales from the Darkside
Newton
CSI: Crime Scene Investigation
Norman Stirling
21 Jump Street
Principal Jack Garner
The A-Team
Howard
The Pretender
Phil Campbell
Early Edition
Fame
Judging Amy
ASA Ethan Donahue
Profiler
The Practice
U.S. Attorney Al Daly
Scarecrow and Mrs. King
Hotel
Major Dad
Hill Street Blues
Quantum Leap
Sam Phillips
Millennium
Jake and the Fatman
Hunter
Charlie Latimer
Hannah Montana
William Harris
The Lyon's Den
Over My Dead Body
Dark Justice
The Nutt House
Something Wilder
Jack Travis
Jesse Hawkes
Once Upon a Time
Alphonse Frankenstein
Friends
Mr. Hannigan
24
Charles Logan
24
President Charles Logan
The Mentalist
Virgil Minelli
Firefly
Magistrate Higgins
NCIS
Director Charlie
Eerie, Indiana
The Mayor
Street Hawk
Harvey
Star Trek: Deep Space Nine
Ilon Tandro
Star Trek: Enterprise
Admiral Black
Star Trek: Deep Space Nine
Hain
The Resident
Sunflower
JAG
Lawrence Culbertson
Without a Trace
Sydney's Co-Worker
Empty Nest
Frank
NCIS
Spencer Downing
V.I.P.
Ronnie Beeman
Diagnosis: Murder
Andrew King
The Michael Richards Show
Matty Stillman
The West Wing
State Dept. Representative
Wolf Lake
Gerald Carter
American Playhouse
Goldsmith
The Center Seat: 55 Years of Star Trek
Self
L.A. Law
Jack Angeletti
Night Court
Warren Karr
Murphy Brown
Gil Porter
Brother's Keeper
Mr. Weaver
The Hunt For The Unicorn Killer
Night Court
Mugger
Star Trek: Voyager
Dr. Dysek
The Client
George Sherman
The Practice
Michael Stanfield
The Practice
David Anderson
The Practice
Atty. Mark Grundel
The Practice
Atty. Walter Pyne
MacGyver
Tom Cavanaugh
Desperate Housewives
Dick Barrows