Adam Kaufman - 24

Guest cast, played by Zachary Quinto

Episode 3x01: Day 3: 1:00 P.M. - 2:00 P.M. (Oct 28, 2003)
Episode 3x02: Day 3: 2:00 P.M. - 3:00 P.M. (Nov 4, 2003)
Episode 3x03: Day 3: 3:00 P.M. - 4:00 P.M. (Nov 11, 2003)
Episode 3x04: Day 3: 4:00 P.M. - 5:00 P.M. (Nov 18, 2003)
Episode 3x05: Day 3: 5:00 P.M. - 6:00 P.M. (Nov 25, 2003)
Episode 3x06: Day 3: 6:00 P.M. - 7:00 P.M. (Dec 2, 2003)
Episode 3x07: Day 3: 7:00 P.M. - 8:00 P.M. (Dec 9, 2003)
Episode 3x08: Day 3: 8:00 P.M. - 9:00 P.M. (Dec 16, 2003)
Episode 3x09: Day 3: 9:00 P.M. - 10:00 P.M. (Jan 6, 2004)
Episode 3x10: Day 3: 10:00 P.M. - 11:00 P.M. (Jan 13, 2004)
Episode 3x11: Day 3: 11:00 P.M. - 12:00 A.M. (Jan 27, 2004)
Episode 3x12: Day 3: 12:00 A.M. - 1:00 A.M. (Feb 3, 2004)
Episode 3x13: Day 3: 1:00 A.M. - 2:00 A.M. (Feb 10, 2004)
Episode 3x14: Day 3: 2:00 A.M. - 3:00 A.M. (Feb 17, 2004)
Episode 3x15: Day 3: 3:00 A.M. - 4:00 A.M. (Feb 24, 2004)
Episode 3x16: Day 3: 4:00 A.M. - 5:00 A.M. (Mar 30, 2004)
Episode 3x18: Day 3: 6:00 A.M. - 7:00 A.M. (Apr 18, 2004)
Episode 3x19: Day 3: 7:00 A.M. - 8:00 A.M. (Apr 20, 2004)
Episode 3x20: Day 3: 8:00 A.M. - 9:00 A.M. (Apr 27, 2004)
Episode 3x21: Day 3: 9:00 A.M. - 10:00 A.M. (May 4, 2004)
Episode 3x22: Day 3: 10:00 A.M. - 11:00 A.M. (May 11, 2004)
Episode 3x23: Day 3: 11:00 A.M. - 12:00 P.M. (May 18, 2004)
Episode 3x24: Day 3: 12:00 P.M. - 1:00 P.M. (May 25, 2004)