Day 6: 1:00 A.M.-2:00 A.M.

Summary

A missing computer circuit board: the Russians get wind of Chinese espionage, the White House must find a leak, and CTU interrogates an unlikely witness.

Guest stars

• Kim Raver as Audrey Raines
• William Devane as James Heller
• Jayne Atkinson as Karen Hayes
• J.C. MacKenzie as Doctor Bradley
• Kari Matchett as Lisa Miller
• Kenneth Choi as Cheng's Operative
• Michael Shanks as Mark Bishop
• Tzi Ma as Cheng Zhi
• Nick Jameson as Yuri Suvarov
• Powers Boothe as Noah Daniels