Joely RichardsonDr. Iris Varnack

Justina MachadoAlma Ansen

Ann CusackDenise Connelly

Scott CohenGovernor Mike Newsome

David RamseyCurtis Ansen

Peter O'BrienAlan

Carolyn DandoLauren Connelly

Kate ButlerChief of Staff Jean Loos

Rebecca HamiltonSarah Newsome

Kayte FergusonTamara Jones

Kodi Smit-McPheeToby Connelly

Stacy KeachCollin Reed

John AtkinsonEd Connelly

Trevor Sai LouieDr. Kwan

Latham GainesKostmart Manager

Jonny PasvolskyGovernor Newsome's Aide

Steve BastoniFEMA Director McGarrett

Cameron SmithWar Room Staffer

Mia PistoriusHarried Mother

Eliana SaenzArmory Nurse

Geraline KnoxSandra Ling

Judi FarrMrs. Koppel

Shireen ShahShop Owner

Susan BradyFemale Governor

Lynette RomeroNational News Correspondent

Margaret BlayAlma's Elderly Neighbor

Jerome EhlersChad Sinclair

Mark TronsonDerek Newsome

Robin KoraDying Woman's Husband

Brad HillsBart Jenkins

Duncan YoungSuicide Man

Nicki PaullHHS Sec's Aide

Mark ClareTransportation Secretary

Alan LovellMale Governor

Paul GittinsGovernment Worker

Nigel GodfreyBritish Correspondent

Costa RoninRussian Correspondent

Ferdinand HoangChinese Executive #1

Sandy WintonLittle League Father

Shane C. RodrigoDesperate / Reasonable Man

Joseph WooChinese Executive #2

Frankie FuChinese Executive #3

Justin HansenDying Man

Eoin McDonaldDying Patient

Michelle MellgrenKostmart Employee

Linda McFetridge

Sara Wiseman

Lynnanne Zager

Matthew Chamberlain

David Aston

Richard PearceDirector

Ron McGeeWriter

Diana KerewExecutive Producer

Dennis A. BrownProducer

Judith VernoExecutive Producer