Day 4: 7:00 P.M.-8:00 P.M.

Summary

Jack and Paul enlist civilian help when they must fight off soldiers sent to kill them by McLennan-Forster. Tensions flair between Tony and Michelle as she assumes command of CTU. Sarah tests Michelle's authority by giving her an ultimatum. Audrey reevaluates her feelings for Jack, while Marwan sets the next phase of his plan in motion.

Guest stars

• William Devane as James Heller
• Carlos Bernard as Tony Almeida
• Reiko Aylesworth as Michelle Dessler
• Lana Parrilla as Sarah Gavin
• Roger Cross as Curtis Manning
• Ned Vaughn as Mitch Anderson
• Arnold Vosloo as Habib Marwan
• Kevin Sizemore as Brown
• Cameron Bancroft as Lee Castle
• Dominic Rains as Naji