- Richard O'Brien - Grimes
- Eric Christmas - Senator from Vermont
- Mark Jenkins - Lt. Shawn (Piedmont team)
- Peter Helm - Sgt. Crane (Piedmont team)
- Joe Di Reda - Wildfire Computer Sgt. Burk
- Carl Reindel - Lt. Comroe
- Ken Swofford - Toby (technician)
- Frances Reid - Clara Dutton
- Richard Bull - Air Force Major
- John Carter - MP Capt. Morton
- Glenn Langan - Cabinet Secretary
- Sandra de Bruin - Technician
- Susan Brown - Allison Stone
- Bart La Rue - Medic Captain
- Walter Brooke - Assistant to Cabinet Secretary
- Jan Burrell - Mother - Piedmont
- Dee Carroll - Technician
- David McLean - Sen. McKenzie
- Emory Parnell - Pete 'Old Doughboy' Arnold
- Michael Pataki - Operator of 'The Hand'
- Quinn K. Redeker - Capt. Morris
- Garry Walberg - Technician
- Len Wayland - Utah Crash Site Officer
- Jason Johnson - Dr. Benedict
- Robert Wise
- Nelson Gidding
- Michael Crichton
-
Robert Wise
- Waldon O. Watson
- Ronald Pierce
- James R. Alexander
- Gil Mellé
Capítulo disponible en las siguientes plataformas:
