Impostor

Gary Sinise

Spencer Olham

Madeleine Stowe

Maya Olham

Mekhi Phifer

Cale

Vincent D'Onofrio

Hathaway

Tony Shalhoub

Nelson Gittes

Tim Guinee

Cale

Gary Dourdan

Capt. Burke

Lindsay Crouse

Chancellor

Elizabeth Peña

Midwife (as Elizabeth Pena)

Jason Beck

Gang Boy #2

Judy Jean Berns

Disgruntled Woman

Veena Bidasha

Frowning Nurse

Ellen Bradley

Nursing Mother

Shane Brolly

Lt. Burrows

Golden Brooks

Cale's Sister

Brian Brophy

Military Official

Burt Bulos

Newscaster

Scott Burkholder

Jack Stoller

Morty Coyle

Kissing Couple Man

Yvette Ocampo

Kissing Couple Woman (as Yvette Ocampo Coyle)

Cristos

Trooper #2

Una Damon

Local Newscaster

John Gatins

Patient-Soldier

Erica Gimpel

Newscaster #1

Bayani Ison

Squad Leader

Arly Jover

Newscaster #2

Elizabeth Kate

Maya Lookalike

JoNell Kennedy

Screaming Nurse (as Jonell Kennedy)

Ted King

RMR Operator

Rachel Luttrell

Scan Room Nurse

Malea McGuinness

Screaming Nurse

Ivana Miličević

Gang Girl

Diane Mizota

Receptionist

Melinda Renna

Reporter (as Melinda Ramos)

Adam Rodriguez

Trooper #1

Shannon Saint Ryan

Zoner

Kimberly Scott

Comms Officer

McCanna Anthony Sinise

Young Spence (as Mac Sinise)

Giovanni Sirchia

Trooper #3

Maury Sterling

Comms Tech

Julie Vitz

Typox Child

Tracey Walter

Mr. Siegel

Rosalind Chao

Newscaster (uncredited)

Clarence Williams III

Secretary of Defense (uncredited)

D-Teflon

ESA Soldier (uncredited)

Tim Walsh

Arrested Engineer

Dwayne Wycoff

ESA Soldier

Phil Hawn

Project Engineer (uncredited)

Connie Nielsen

Newscaster (uncredited)