Dr. Josh Keyes

Aaron Eckhart

Major Rebecca "Beck" Childs

Hilary Swank

Dr. Conrad Zimsky

Stanley Tucci

Dr. Ed "Braz" Brazzelton

Delroy Lindo

Serge Leveque

Tchéky Karyo

Theodore Donald 'Rat' Finch

D.J. Qualls

General Thomas Purcell

Richard Jenkins

Commander Robert Iverson

Bruce Greenwood

Stickley

Alfre Woodard

Dave Perry

Christopher Shyer

Flight Engineer Timmins

Dion Johnstone

Paul

Ray Galletti

Lynne

Eileen Pedde

Danni

Rekha Sharma

Acker

Tom Scholte

FBI Agent

Glenn Morshower

FBI Agent

Anthony Harrison

Court-Martial Presiding Officer

Fred Keating

Dad

Bart Anderson

Mom

Nicole Leroux

Little Boy

Justin Callan

GBTV Reporter - Trafalgar Square

Chris Humphreys

Endeaver Flight Engineer

Fred Ewanvick

Endeavor Flight Engineer

Fred Ewanuick

Chief Engineer, Mission Control

Hrothgar Matthews

Chief Engineer Mission Control

Hrothgar Mathews

Himself

Shawn Green

Scientist

Ming-Tzong Hong

Zimsky's Assistant

Jennifer Spence

Pentagon General

Michael St. John Smith

FBI Agent in Rat's Apartment

John Shaw

Security Policeman - Tribunal

Nickolas Baric

Rome Cafe Patron

Rosa Di Brigida

Rome Cafe Patron

Roberto Roberto

Rome Cafe Patron

Ermanno De Biagi

Rome Cafe Patron

Marcello Laurentis

Luke Barry

Matt Winston

Technician - Virgil Base

Greg Bennett

News Anchor

Claire Riley

News Anchor

Marke Driesschen

Project Destiny Engineer

Laurie Murdoch

Project Destiny Engineer

Costa Spanos

Paris Cafe Lady

Monique Martel

Paris Café Lady

Lenie Scoffié

U.S.S. Constellation Captain

Nathaniel DeVeaux

U.S.S. Constellation Screen Ops

Robert Manitopyes

U.S.S. Soldier (uncredited)

Alejandro Abellan

Scientist / Extra (uncredited)

Benjamin Barton

(voice) (uncredited)

Alec Medlock

Security Policeman (uncredited)

Alonso Oyarzun

Scientist (uncredited)

Priscilla Poland

Chief Petty Officer (uncredited)

Rick Kain

News Anchor (uncredited)

Pamela Martin

Gregory Bennett