American actor (1948–2022), known as President Charles Logan in 24, who played five different guest roles across Deep Space Nine, Voyager and Enterprise.
Gregory Itzin was an American stage and screen actor who received Emmy nominations for playing the devious President Logan in 24 and a Tony nomination for The Kentucky Cycle. He also had a recurring role in The Mentalist.
In Deep Space Nine he played Ilon Tandro, who seeks to extradite Jadzia Dax for an old murder, in Dax, and Hain, who poses as a Lurian security officer, in Who Mourns for Morn?. In Voyager he was Dr Dysek, a senior physician on an alien hospital ship, in Critical Care.
Enterprise used him as the Vulcan Captain Sopek in Shadows of P'Jem and as Admiral Black of the Terran Empire in In a Mirror, Darkly, Part II, where the mirror Archer disintegrates him aboard the Defiant.