Published Saturday, 25 January 2014
The star will portray Trevor Davies, whose alliance with US President Heller, played by William Devane, will be tested when Kiefer Sutherland's character Jack Bauer shows up in London.
Fry commented on the news in a post on his Twitter page, writing, "Well, this particular cat is out of the bag."
The new 24 series will also feature Benjamin Bratt, and Tate Donovan, as well as returning stars Mary Lynn Rajskub and Kim Raver.
24: Live Another Day will premiere in America in May.