Day 4: 8:00 P.M.-9:00 P.M.

Summary

Jack learns the identity of a man who may be able to lead him to Marwan. He forces Dina to help him in a mock hostage situation that will get him close to the suspect. Michelle calls on Chloe for help when Edgar begins to crack under pressure. Meanwhile, Audrey stands by as a gravely wounded Paul is taken into surgery. Marwan's plan continues as his henchman uses an unwilling pilot to gain access to an airfield.

Guest stars

• Mary Lynn Rajskub as Chloe O'Brian
• William Devane as James Heller
• Carlos Bernard as Tony Almeida
• Reiko Aylesworth as Michelle Dessler
• Shohreh Aghdashloo as Dina Araz
• Roger Cross as Curtis Manning
• Jonathan Ahdout as Behrooz Araz
• Gary Weeks as Agent Dalton
• Ned Vaughn as Mitch Anderson
• Arnold Vosloo as Habib Marwan