Day 5: 5:00 A.M.-6:00 A.M.

Summary

Jack and Henderson wage an assault on the submarine as Bierko prepares to launch an attack against L.A. Chloe brings in someone from her past to aid her. Martha and Aaron enlist Mike's help in their plans to expose Logan.

Guest stars

• Jayne Atkinson as Karen Hayes
• Jean Smart as Martha Logan
• Carlo Rota as Morris O'Brian
• Glenn Morshower as Aaron Pierce
• Jude Ciccolella as Mike Novick
• Julian Sands as Vladimir Bierko
• Paul McCrane as Graem Bauer
• Gregory Itzin as Charles Logan
• Peter Weller as Christopher Henderson
• Tom Wright as Admiral Kirkland