We don't have a biography for Agent Aaron Pierce yet. Hang in there, or go ahead and contribute one.
Appearances
24
Guest cast, played by Glenn Morshower
- Episode 1x02: 1:00 A.M. - 2:00 A.M. (Nov 13, 2001)
- Episode 1x03: 2:00 A.M. - 3:00 A.M. (Nov 20, 2001)
- Episode 1x04: 3:00 A.M. - 4:00 A.M. (Nov 27, 2001)
- Episode 1x05: 4:00 A.M. - 5:00 A.M. (Dec 11, 2001)
- Episode 1x07: 6:00 A.M. - 7:00 A.M. (Jan 8, 2002)
- Episode 1x08: 7:00 A.M. - 8:00 A.M. (Jan 15, 2002)
- Episode 1x09: 8:00 A.M. - 9:00 A.M. (Jan 22, 2002)
- Episode 1x16: 3:00 P.M. - 4:00 P.M. (Mar 19, 2002)
- Episode 1x17: 4:00 P.M. - 5:00 P.M. (Mar 26, 2002)
- Episode 2x20: Day 2: 3:00 A.M. - 4:00 A.M. (Apr 22, 2003)
- Episode 2x21: Day 2: 4:00 A.M. - 5:00 A.M. (Apr 29, 2003)
- Episode 2x22: Day 2: 5:00 A.M. - 6:00 A.M. (May 6, 2003)
- 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 3x11: Day 3: 11:00 P.M. - 12:00 A.M. (Jan 27, 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 3x17: Day 3: 5:00 A.M. - 6:00 A.M. (Apr 6, 2004)
- Episode 3x20: Day 3: 8:00 A.M. - 9:00 A.M. (Apr 27, 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)
- Episode 4x20: Day 4: 2:00 A.M. - 3:00 A.M. (May 2, 2005)
- Episode 4x24: Day 4: 6:00 A.M. - 7:00 A.M. (May 23, 2005)
- Episode 5x03: Day 5: 9:00 A.M. - 10:00 A.M. (Jan 16, 2006)
- Episode 5x05: Day 5: 11:00 A.M. - 12:00 P.M. (Jan 23, 2006)
- Episode 5x06: Day 5: 12:00 P.M. - 1:00 P.M. (Jan 30, 2006)
- Episode 5x07: Day 5: 1:00 P.M. - 2:00 P.M. (Feb 6, 2006)
- Episode 5x09: Day 5: 3:00 P.M. - 4:00 P.M. (Feb 20, 2006)
- Episode 5x10: Day 5: 4:00 P.M. - 5:00 P.M. (Feb 27, 2006)
- Episode 5x11: Day 5: 5:00 P.M. - 6:00 P.M. (Mar 6, 2006)
- Episode 5x14: Day 5: 8:00 P.M. - 9:00 P.M. (Mar 20, 2006)
- Episode 5x15: Day 5: 9:00 P.M. - 10:00 P.M. (Mar 27, 2006)
- Episode 5x16: Day 5: 10:00 P.M. - 11:00 P.M. (Apr 3, 2006)
- Episode 5x17: Day 5: 11:00 P.M. - 12:00 A.M. (Apr 10, 2006)
- Episode 5x18: Day 5: 12:00 A.M. - 1:00 A.M. (Apr 17, 2006)
- Episode 5x22: Day 5: 4:00 A.M. - 5:00 A.M. (May 15, 2006)
- Episode 5x23: Day 5: 5:00 A.M. - 6:00 A.M. (May 22, 2006)
- Episode 5x24: Day 5: 6:00 A.M. - 7:00 A.M. (May 22, 2006)
- Episode 6x13: Day 6: 6:00 P.M. - 7:00 P.M. (Mar 12, 2007)
- Episode 7x09: Day 7: 4:00 P.M. - 5:00 P.M. (Feb 16, 2009)
- Episode 7x12: Day 7: 7:00 P.M. - 8:00 P.M. (Mar 2, 2009)
- Episode 7x13: Day 7: 8:00 P.M. - 9:00 P.M. (Mar 9, 2009)
- Episode 7x16: Day 7: 11:00 P.M. - 12:00 A.M. (Mar 30, 2009)
- Episode 7x17: Day 7: 12:00 A.M. - 1:00 A.M. (Apr 6, 2009)
- Episode 7x20: Day 7: 3:00 A.M. - 4:00 A.M. (Apr 27, 2009)
- Episode 7x21: Day 7: 4:00 A.M. - 5:00 A.M. (May 4, 2009)
- Episode 7x22: Day 7: 5:00 A.M. - 6:00 A.M. (May 11, 2009)
- Episode 7x23: Day 7: 6:00 A.M. - 7:00 A.M. (May 18, 2009)
- Episode 7x24: Day 7: 7:00 A.M. - 8:00 A.M. (May 18, 2009)