James Heller - 24

Main cast, played by William Devane

Episode 4x01: Day 4: 7:00 A.M. - 8:00 A.M. (Jan 9, 2005)
Episode 4x02: Day 4: 8:00 A.M. - 9:00 A.M. (Jan 9, 2005)
Episode 4x03: Day 4: 9:00 A.M. - 10:00 A.M. (Jan 10, 2005)
Episode 4x04: Day 4: 10:00 A.M. - 11:00 A.M. (Jan 10, 2005)
Episode 4x05: Day 4: 11:00 A.M. - 12:00 P.M. (Jan 17, 2005)
Episode 4x06: Day 4: 12:00 P.M. - 1:00 P.M. (Jan 24, 2005)
Episode 4x07: Day 4: 1:00 P.M. - 2:00 P.M. (Jan 31, 2005)
Episode 4x08: Day 4: 2:00 P.M. - 3:00 P.M. (Feb 7, 2005)
Episode 4x09: Day 4: 3:00 P.M. - 4:00 P.M. (Feb 14, 2005)
Episode 4x10: Day 4: 4:00 P.M. - 5:00 P.M. (Feb 21, 2005)
Episode 4x11: Day 4: 5:00 P.M. - 6:00 P.M. (Feb 28, 2005)
Episode 4x12: Day 4: 6:00 P.M. - 7:00 P.M. (Mar 7, 2005)
Episode 4x13: Day 4: 7:00 P.M. - 8:00 P.M. (Mar 14, 2005)
Episode 4x14: Day 4: 8:00 P.M. - 9:00 P.M. (Mar 21, 2005)
Episode 4x22: Day 4: 4:00 A.M. - 5:00 A.M. (May 16, 2005)
Episode 9x01: Day 9: 11:00 A.M. - 12:00 P.M. (May 5, 2014)
Episode 9x02: Day 9: 12:00 P.M. - 1:00 P.M. (May 5, 2014)
Episode 9x03: Day 9: 1:00 P.M. - 2:00 P.M. (May 12, 2014)
Episode 9x04: Day 9: 2:00 P.M. - 3:00 P.M. (May 19, 2014)
Episode 9x05: Day 9: 3:00 P.M. - 4:00 P.M. (May 26, 2014)
Episode 9x06: Day 9: 4:00 P.M. - 5:00 P.M. (Jun 2, 2014)
Episode 9x07: Day 9: 5:00 P.M. - 6:00 P.M. (Jun 9, 2014)
Episode 9x08: Day 9: 6:00 P.M. - 7:00 P.M. (Jun 16, 2014)
Episode 9x09: Day 9: 7:00 P.M. - 8:00 P.M. (Jun 23, 2014)
Episode 9x10: Day 9: 8:00 P.M. - 9:00 P.M. (Jun 30, 2014)
Episode 9x11: Day 9: 9:00 P.M. - 10:00 P.M. (Jul 7, 2014)
Episode 9x12: Day 9: 10:00 P.M. - 11:00 A.M. (Jul 14, 2014)

Guest cast, played by William Devane

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 5x19: Day 5: 1:00 A.M. - 2:00 A.M. (Apr 24, 2006)
Episode 6x20: Day 6: 1:00 A.M. - 2:00 A.M. (Apr 30, 2007)
Episode 6x24: Day 6: 5:00 A.M. - 6:00 A.M. (May 21, 2007)