Impostor

Gary Sinise

Spencer Olham

(Acting)

Madeleine Stowe

Maya Olham

(Acting)

Mekhi Phifer

Cale

(Acting)

Vincent D'Onofrio

Hathaway

(Acting)

Tony Shalhoub

Nelson Gittes

(Acting)

Tim Guinee

Cale

(Acting)

Gary Dourdan

Capt. Burke

(Acting)

Ivana Miličević

Gang Girl

(Acting)

Burt Bulos

Newscaster

(Acting)

D-Teflon

ESA Soldier (uncredited)

(Acting)

Una Damon

Local Newscaster

(Acting)

Lindsay Crouse

Chancellor

(Acting)

Elizabeth Peña

Midwife (as Elizabeth Pena)

(Acting)

Shane Brolly

Lt. Burrows

(Acting)

Golden Brooks

Cale's Sister

(Acting)

Brian Brophy

Military Official

(Acting)

Scott Burkholder

Jack Stoller

(Acting)

Yvette Ocampo

Kissing Couple Woman (as Yvette Ocampo Coyle)

(Acting)

Cristos

Trooper #2

(Acting)

Erica Gimpel

Newscaster #1

(Acting)

Arly Jover

Newscaster #2

(Acting)

Elizabeth Kate

Maya Lookalike

(Acting)

JoNell Kennedy

Screaming Nurse (as Jonell Kennedy)

(Acting)

Rachel Luttrell

Scan Room Nurse

(Acting)

Malea McGuinness

Screaming Nurse

(Acting)

Diane Mizota

Receptionist

(Acting)

Melinda Renna

Reporter (as Melinda Ramos)

(Acting)

Adam Rodríguez

Trooper #1

(Acting)

Kimberly Scott

Comms Officer

(Acting)

Maury Sterling

Comms Tech

(Acting)

Julie Vitz

Typox Child

(Acting)

Tracey Walter

Mr. Siegel

(Acting)

Rosalind Chao

Newscaster (uncredited)

(Acting)

Clarence Williams III

Secretary of Defense (uncredited)

(Acting)

Connie Nielsen

Newscaster

(Acting)