Aaron Eckhart

Dr. Josh Keyes

Hilary Swank

Maj. Rebecca Childs

Delroy Lindo

Dr. Ed 'Braz' Brazzleton

Stanley Tucci

Dr. Conrad Zimsky

Tchéky Karyo

Serge

DJ Qualls

Theodore Donald 'Rat' Finch

Richard Jenkins

Gen. Thomas Purcell

Bruce Greenwood

Cmdr. Robert Iverson

Christopher Shyer

Dave Perry

Ray Galletti

Paul

Eileen Pedde

Lynne

Rekha Sharma

Danni

Tom Scholte

Acker

Glenn Morshower

FBI Agent

Anthony Harrison

FBI Agent

Alfre Woodard

Stickley

Fred Keating

Court-Martial Presiding Officer

Bart Anderson

Dad

Nicole Leroux

Mom

Justin Callan

Little Boy

Chris Humphreys

GBTV Reporter - Trafalgar Square

Dion Johnstone

Flight Engineer Timmins

Fred Ewanuick

Endeavor Flight Engineer

Hrothgar Mathews

Chief Engineer Mission Control

Ming-Tzong Hong

Scientist

Jennifer Spence

Zimsky's Assistant

Michael St. John Smith

Pentagon General

John Shaw

FBI Agent - Rat's Apartment

Nickolas Baric

Security Policeman - Tribunal

Rosa Di Brigida

Rome Café Patron

Roberto Roberto

Rome Café Patron

Ermanno De Biagi

Rome Café Patron

Marcello Laurentis

Rome Café Patron

Matt Winston

Luke Barry

Claire Riley

News Anchor

Marke Driesschen

News Anchor

Laurie Murdoch

Project Destiny Engineer

Costa Spanos

Project Destiny Engineer

Monique Martel

Paris Café Lady

Lenie Scoffié

Paris Café Lady

Nathaniel DeVeaux

U.S.S. Constellation Captain

Robert Manitopyes

U.S.S. Constellation Screen Ops

Alejandro Abellan

U.S.S. Soldier (uncredited)

Benjamin Barton

Scientist / Extra (uncredited)

Angelica Hayden

Coffeehouse Patron (uncredited)

Robert Paul Lewis

Beach-goer (uncredited)

Alec Medlock

(voice) (uncredited)

Alonso Oyarzun

Security Policeman (uncredited)

Priscilla Poland

Scientist (uncredited)

Shawn Green

Himself

Greg Bennett

Technician - Virgil Base

Jeffrey Gold

Engineer (uncredited)

Rick Kain

Chief Petty Officer (uncredited)

Pamela Martin

News Anchor (uncredited)