Gregory Martin Itzin[1] (April 20, 1948 – July 8, 2022) was an American character actor of film and television best known for his role as U.S. President Charles Logan in the action thriller series 24.

In 2005, Itzin joined the cast of 24, halfway through its fourth season, in the recurring role as Vice President Charles Logan.

Itzin returned for a story arc during the eighth season of the show to help President Allison Taylor keep the Peace Treaty alive.

In 2007, he made a guest appearance as William Adama, Dick Tracy, and a police officer at Randy's Halloween night in an episode of Robot Chicken.

Itzin also appeared on Night Court, Matlock, Diagnosis: Murder, Jake and the Fatman, The O.C., Beverly Hills, 90210, Judging Amy, Boston Legal, CSI: Crime Scene Investigation, The Practice, The Pretender and the short-lived science fiction series, Firefly.

Itzin was a special guest star on the Disney Channel hit show Hannah Montana in the season two episode "Test Of My Love" as a billionaire whose son becomes a romantic interest of Miley's.

at the ACME Comedy Theatre on February 23, 2008, appearing in several sketches as well as a short film, "Law and Order: Really Special Victims Unit".

[8] On stage, he appeared in numerous theatrical venues across the country, and was a member of the Matrix Theatre Company in Los Angeles, where he acted in award-winning productions of Waiting for Godot, The Homecoming, and The Birthday Party (each earning him an L.A.

Itzin starred in Fear and Loathing in Las Vegas as a Mint Hotel clerk, who looked and sounded a lot like actor McLean Stevenson on M*A*S*H. He played a psychiatrist in the Lindsay Lohan thriller I Know Who Killed Me and as a prison warden in Law Abiding Citizen.