Dr. Josh Keyes

Aaron Eckhart

Acting

Maj. Rebecca Childs

Hilary Swank

Acting

Dr. Ed 'Braz' Brazzleton

Delroy Lindo

Acting

Dr. Conrad Zimsky

Stanley Tucci

Acting

Serge

Tchéky Karyo

Acting

Theodore Donald 'Rat' Finch

DJ Qualls

Acting

Gen. Thomas Purcell

Richard Jenkins

Acting

Cmdr. Robert Iverson

Bruce Greenwood

Acting

Dave Perry

Christopher Shyer

Acting

Paul

Ray Galletti

Acting

Lynne

Eileen Pedde

Acting

Danni

Rekha Sharma

Acting

Acker

Tom Scholte

Acting

FBI Agent

Glenn Morshower

Acting

FBI Agent

Anthony Harrison

Acting

Stickley

Alfre Woodard

Acting

Court-Martial Presiding Officer

Fred Keating

Acting

Dad

Bart Anderson

Acting

Mom

Nicole Leroux

Acting

Little Boy

Justin Callan

Acting

GBTV Reporter - Trafalgar Square

Chris Humphreys

Acting

Flight Engineer Timmins

Dion Johnstone

Acting

Endeavor Flight Engineer

Fred Ewanuick

Acting

Chief Engineer Mission Control

Hrothgar Mathews

Acting

Scientist

Ming-Tzong Hong

Acting

Zimsky's Assistant

Jennifer Spence

Acting

Pentagon General

Michael St. John Smith

Acting

FBI Agent - Rat's Apartment

John Shaw

Acting

Security Policeman - Tribunal

Nickolas Baric

Acting

Rome Café Patron

Rosa Di Brigida

Acting

Rome Café Patron

Roberto Roberto

Acting

Rome Café Patron

Ermanno De Biagi

Acting

Rome Café Patron

Marcello Laurentis

Acting

Luke Barry

Matt Winston

Acting

News Anchor

Claire Riley

Acting

News Anchor

Marke Driesschen

Acting

Project Destiny Engineer

Laurie Murdoch

Acting

Project Destiny Engineer

Costa Spanos

Acting

Paris Café Lady

Monique Martel

Acting

Paris Café Lady

Lenie Scoffié

Acting

U.S.S. Constellation Captain

Nathaniel DeVeaux

Acting

U.S.S. Constellation Screen Ops

Robert Manitopyes

Acting

U.S.S. Soldier (uncredited)

Alejandro Abellan

Acting

Scientist / Extra (uncredited)

Benjamin Barton

Acting

Coffeehouse Patron (uncredited)

Angelica Hayden

Acting

Beach-goer (uncredited)

Robert Paul Lewis

Acting

(voice) (uncredited)

Alec Medlock

Acting

Security Policeman (uncredited)

Alonso Oyarzun

Acting

Scientist (uncredited)

Priscilla Poland

Acting

Himself

Shawn Green

Acting

Technician - Virgil Base

Greg Bennett

Acting

Engineer (uncredited)

Jeffrey Gold

Acting

Chief Petty Officer (uncredited)

Rick Kain

Crew

News Anchor (uncredited)

Pamela Martin

Acting