Day 4: 5:00 P.M.-6:00 P.M.

Summary

Jack and Curtis finally learn the location of the override device. They try to trap the architect of the terrorist strike before the remaining nuclear plants go critical. Tony pushes Dina to reveal more of her knowledge of Marwan, while Driscoll faces another personal crisis with her daughter.

Guest stars

• William Devane as James Heller
• Carlos Bernard as Tony Almeida
• Alberta Watson as Erin Driscoll
• Lana Parrilla as Sarah Gavin
• Shohreh Aghdashloo as Dina Araz
• Roger Cross as Curtis Manning
• Angela Goethals as Maya Driscoll
• Brandon Barash as Brandon
• Diego Serrano as Agent Solarz
• Arnold Vosloo as Habib Marwan