Jack Bauer is a traitor. And a psychopath.

So says Tate Donovan's character in a new trailer for 24: Live Another Day, which features fresh footage of Jack on the run in London, along with the possibility of a Presidential assassination on foreign soil and a subsequent "world war," as Jack fears.

Hmmm... we wonder who might be able to thwart such a possibility.

Click Play now for your first look at Benjamin Bratt and Yvonne Strahovski and let the clock continue to tick.

24 returns for 12 episodes on May 5.

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.