Annie Wersching is a new Renee Walker on season eight. This has become one seriously troubled character.

This is an image from the series finale of 24. In it, Jack works furiously to expose the Russian conspiracy.

President Hassan has a balancing act to consider on season eight: How does he remain in power at home and also bring peace to his region?

Cherry Jones won an Emmy Award for her portrayal of Alison Taylor on 24. She's back for season eight.

Renee sparred with Jack during season seven of 24. She'll be back for the show's eighth season.

Put the gun down, Chloe. She confronts Jack on the series finale of 24.

Dana is not exactly on her game these days. That's what happens when your ex-con of an ex-boyfriend shows up.

The main plot in season eight of 24 involves a peace accord with a Middle East leader. That gets underway in this premiere scene.

Who doesn't adore Mary Lynn Rajskub as Chloe? The actress will reprise this role on 24: Live Another Day.

It's hard not to imagine a ticking clock in our heads as we look at this 24 logo. Know what we mean?

Jack Bauer doesn't develop too many close relationships. But he and Chloe are quite tight.

Prior to making it big on The Vampire Diaries, Paul Wesley appeared on 24. He'll show up again, as Mr. Kim Bauer, on season eight of the show.