Jack forces Nina to help with a sting operation against her contact in the hopes that he can lead them to the bomb. Palmer and Mike try to gage Stanton's loyalty when they investigate the chopper crash. George has a final conversation with his son.
Elenco: Kiefer Sutherland , Mary Lynn Rajskub , Kim Raver , William Devane , Yvonne Strahovski , Benjamin Bratt , Gbenga Akinnagbe , Michelle Fairley , Miranda Raison , Ross McCall , Colin Salmon , Michael Wincott , Tate Donovan , Stephen Fry , Emily Berrington , Elisha Cuthbert , Eric Balfour , Freddie Prinze Jr. , Glenn Morshower , Gregory Itzin , James Badge Dale , James Morrison , Janeane Garofalo , Jayne Atkinson , Jean Smart , Jeffrey Nordling , Jeffrey R. Nordling , John Boyd , Jude Ciccolella , Katee Sackhoff , Kim Raver , Lana Parrilla , Laura Harris , Leslie Hope , Louis Lombardi , Marisol Nichols , Mykelti Williamson , Penny Johnson , Penny Johnson Jerald , Peter MacNicol , Regina King , Reiko Aylesworth , Rhys Coiro , Roger R. Cross , Sarah Clarke , Sarah Wynter , Shohreh Aghdashloo , Tanya Wright , Xander Berkeley , Yvonne Strahovski .