 Joely RichardsonDr. Iris Varnack | Dr. Iris Varnack |
 Justina MachadoAlma Ansen | Alma Ansen |
 Ann CusackDenise Connelly | Denise Connelly |
 Scott CohenGovernor Mike Newsome | Governor Mike Newsome |
 David RamseyCurtis Ansen | Curtis Ansen |
 Peter O'BrienAlan | Alan |
 Carolyn DandoLauren Connelly | Lauren Connelly |
 Kate ButlerChief of Staff Jean Loos | Chief of Staff Jean Loos |
 Rebecca HamiltonSarah Newsome | Sarah Newsome |
| KKayte FergusonTamara Jones | Tamara Jones |
 Kodi Smit-McPheeToby Connelly | Toby Connelly |
 Stacy KeachCollin Reed | Collin Reed |
| JJohn AtkinsonEd Connelly | Ed Connelly |
| TTrevor Sai LouieDr. Kwan | Dr. Kwan |
 Latham GainesKostmart Manager | Kostmart Manager |
 Jonny PasvolskyGovernor Newsome's Aide | Governor Newsome's Aide |
 Steve BastoniFEMA Director McGarrett | FEMA Director McGarrett |
 Cameron SmithWar Room Staffer | War Room Staffer |
 Mia PistoriusHarried Mother | Harried Mother |
| EEliana SaenzArmory Nurse | Armory Nurse |
| GGeraline KnoxSandra Ling | Sandra Ling |
 Judi FarrMrs. Koppel | Mrs. Koppel |
 Shireen ShahShop Owner | Shop Owner |
 Susan BradyFemale Governor | Female Governor |
| LLynette RomeroNational News Correspondent | National News Correspondent |
| MMargaret BlayAlma's Elderly Neighbor | Alma's Elderly Neighbor |
 Jerome EhlersChad Sinclair | Chad Sinclair |
| MMark TronsonDerek Newsome | Derek Newsome |
 Robin KoraDying Woman's Husband | Dying Woman's Husband |
| BBrad HillsBart Jenkins | Bart Jenkins |
