Dr. Samantha Hill (2 episodes, 2004)
Roy Nolan, FEMA Director (2 episodes, 2004)
Dr. Zack Nolan (2 episodes, 2004)
Dr. Owen Hunter (2 episodes, 2004)
President Paul Hollister (2 episodes, 2004)
Clark Williams (2 episodes, 2004)
Amanda Williams (2 episodes, 2004)
Governor Carla Williams (2 episodes, 2004)
Dr. Jordan Fisher (2 episodes, 2004)
Daniel, Hollister's Advisor (2 episodes, 2004)
Sean Morris, Hollister's Aide (2 episodes, 2004)
Jill Hunter (2 episodes, 2004)
Anchor #1 (2 episodes, 2004)
Anchor #2 (2 episodes, 2004)
Anchor #3 (2 episodes, 2004)
Anchor #4 (2 episodes, 2004)
Reporter #1 (2 episodes, 2004)
Reporter #2 (2 episodes, 2004)
Reporter #3 (2 episodes, 2004)
Journalist #1 (2 episodes, 2004)
Journalist #2 (2 episodes, 2004)
Journalist #3 (2 episodes, 2004)
Journalist #4 (2 episodes, 2004)
Drill Tech #1 (2 episodes, 2004)
Drill Tech #2 (2 episodes, 2004)
Military Medic #1 (2 episodes, 2004)
Military Medic #2 (2 episodes, 2004)
Man #1 (2 episodes, 2004)
Woman #1 (2 episodes, 2004)
Family Father (2 episodes, 2004)
Family Mother (2 episodes, 2004)
Little 'Wow!' Girl (2 episodes, 2004)
Rachel, Williams' Aide (2 episodes, 2004)
Jimmy (2 episodes, 2004)
Tent City Soldier (2 episodes, 2004)
Helipad Soldier (2 episodes, 2004)
Blockade Soldier (2 episodes, 2004)
Geologist (2 episodes, 2004)
Principal (2 episodes, 2004)
Donna, Press Secretary (2 episodes, 2004)
Irate Man (2 episodes, 2004)
Troy Keller (2 episodes, 2004)
Check Point Soldier (2 episodes, 2004)
Communications Soldier (2 episodes, 2004)
Mayor Spaulding (2 episodes, 2004)
Seismologist (2 episodes, 2004)
Messenger Soldier (2 episodes, 2004)
Rescue Worker (2 episodes, 2004)
Major Bennet (2 episodes, 2004)
Zoe Cameron (2 episodes, 2004)
Nolan's Aide (2 episodes, 2004)
Young Soldier (2 episodes, 2004)
Sister (2 episodes, 2004)
Eddy (2 episodes, 2004)
Calvin Hunter (2 episodes, 2004)
Dylan (2 episodes, 2004)
Hospital Patient (2 episodes, 2004)
Tamika Hunter (2 episodes, 2004)
Sick Man (2 episodes, 2004)
Earl (uncredited) (unknown episodes)