Known for Acting

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
1980
as Religious Zealot #1
2009
as Warden Iger
2001
as Colonel Worth
2011
as Flemming Steel
2012
as Judge John A. Campbell
1998
as Mint Hotel Clerk
2001
as Cartwright
1985
as English Teacher
2002
as Prosecutor
2011
as Jack Stearns
1982
as Young Man (uncredited)
1989
as Vince Nancy
1989
as Ralph Kramer
1999
as Headmaster Pritchard
2002
as Dennis
2007
as Dr. Greg Jameson
1982
as Melvin's Crew
1993
as Cornell
1995
as Walter Mallinson
2014
as Lennie