Tony and Chappelle face off over the chip, the status of which Jack reports to Palmer, whose earlier actions regarding the bomb come to bear in a meeting with his cabinet; Kim is returned to the scene of a crime after speaking with Jack. Prescott: Alan Dale. Marcus: Nick Offerman. Cole: Maurice Compte. Stanton: Harris Yulin. Wieland: Michael Holden. Sec. of State: John Rubinstein. Sheriff: Paco Farias. Sec. of Treasury: Austin Tichenor.

Notice that Roger Stanton is making an appearance.

Backdoor dealings, back stabbings and an actual stabbing convolute matters in this piercing hour, as Jack comes face-to-face with a pair of key players. One can prove the Cyprus recording is a fake; the other knows enough to blow the entire case wide open. But both begin to question their mutual trust when Jack tries to play each against the other. Meanwhile, a shakedown at CTU puts Jack's quest to rest once staffers are informed of a major shake-up in DC; Tony learns he has something in common with Palmer, who lobbies for an ally and talks with a turncoat; and Jack encourages Kim to put a definitive end to the source of her problems. Sherry: Penny Johnson Jerald.

And it looks like Sherry Palmer returns.