Chloë Grace Moretz

Cassiopeia "Cassie" Sullivan

Liev Schreiber

Lieutenant Colonel Alexander Vosch

Maika Monroe

Marika "Ringer" Kimura

Maria Bello

Sergeant Reznik

Alex Roe

Evan Walker

Talitha Bateman

Allison / "Teacup"

Courtney Munch

Helicopter Soldier

Michael Beasley

Major Bob

Nick Robinson

Ben "Zombie" Parish

Zackary Arthur

Sammy "Nugget" Sullivan

Maggie Siff

Lisa Sullivan

Ron Livingston

Oliver Sullivan

Tony Revolori

Dumbo

Cade Canon Ball

Kenny / "Oompa"

Flynn McHugh

Tank

Alex MacNicoll

Flintstone

Nadji Jeter

Poundcake

Gabriela Lopez

Lizbeth Morgan

Bailey Anne Borders

Julia

Parker Wierling

Jeremy

Terry Serpico

Hutchfield

Charmin Lee

Ms. Paulson

Madison Staines

Teary School Kid

Matthew Zuk

Wounded Man with Crucifix

David Maldonado

Soccer Coach

Paul Ryden

TV News Anchor

E. Roger Mitchell

White House Spokesman

Derek Roberts

Private Parker

Justin Matthew Smith

Armed Man

Justin Smith

Armed Man

Geoffrey Kennedy

Bullhorn Soldier

Jim Sutton

Soldier Calling Numbers

Devin McGee

Confused Man

Adora Dei

Exam Room Tech

Kevin L. Johnson

Sniper in Woods

Kendrick Cross

Situation Room Soldier

Chelsea Hayes

Tech Soldier

Olivia Cloer

Captured Teen (uncredited)

Kelly Róisín

Quarantine Victim (uncredited)

Johnny Otto

Dr. Osborne (uncredited)