Countdown to '24'! Kiefer Sutherland Says You Don’t Know This Jack Bauer

Get ready to meet the "new" Jack Bauer! Kiefer Sutherland says his “24: Live Another Day” character is now angry, embittered, and colder… which make him even more dangerous! “Extra's” Terri Seymour caught up with Sutherland on the London set of the TV series, getting all the “24” scoop and a behind-the-scenes tour.

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