Stanley Tucci Dr. Conrad Zimsky
Aaron Eckhart Dr. Josh Keyes
Bruce Greenwood Cmdr. Robert Iverson
Hilary Swank Maj. Rebecca Childs
Alfre Woodard Stickley
Delroy Lindo Dr. Ed 'Braz' Brazzleton
Richard Jenkins Gen. Thomas Purcell
DJ Qualls Theodore Donald 'Rat' Finch
Matt Winston Luke Barry
Glenn Morshower FBI Agent
John Rogers Writer
Rekha Sharma Danni
Tchéky Karyo Serge
Rick Avery Stunt Coordinator
Doug Coleman Stunt Double
Victoria Alonso Visual Effects Producer
Peter Ramsey Storyboard Artist
Doug Chapman Stunt Double
Laurie Murdoch Project Destiny Engineer
Michael St. John Smith Pentagon General
Garvin Cross Stunts
Nathaniel DeVeaux U.S.S. Constellation Captain
Barbara Harris ADR Voice Casting
Stephen P. Robinson Sound Effects Editor
Anthony Harrison FBI Agent
Christopher Shyer Dave Perry
Eileen Pedde Lynne
Dean Eilertson Property Master
Darryl Scheelar Stunts
Dion Johnstone Flight Engineer Timmins
Fred Ewanuick Endeavor Flight Engineer
Fred Keating Court-Martial Presiding Officer
John Shaw FBI Agent - Rat's Apartment
Frank A. Montaño Sound Re-Recording Mixer
Ray Galletti Paul
Christopher Young Original Music Composer
Alec Medlock (voice) (uncredited)
Lee Walters Chief Lighting Technician
Kathy Hubble Stunts
Randy K. Singer Foley Mixer
Chris Navarro ADR Recordist
Jennifer Spence Zimsky's Assistant
Nicole Leroux Mom
Bernard Weiser Supervising Dialogue Editor
Bart Anderson Dad
Jim Passon Color Timer
Andrew Neskoromny Supervising Art Director
Eric Thompson ADR Mixer
Jon Amiel Director
Isabelle Gautier Location Manager
Jamie Dixon Visual Effects Supervisor
Andy Koyama Additional Sound Re-Recording Mixer, Sound Re-Recording Mixer
John Leveque Supervising Sound Editor
Christopher Flick Foley Editor
Andrew M. Robinson Second Assistant Director
Owen Walstrom Stunts
Sarah Monat Foley Artist
Deborah Aquila Casting
Ivana Primorac Makeup Supervisor, Hair Supervisor
Joey Box Stunt Double
Kevin Fair Second Unit First Assistant Director
Joni Avery Stunts
Terry Rawlings Editor
Robert K. Feldmann First Company Grip
Tricia Wood Casting
Claire Riley News Anchor
James Bitonti Second Second Assistant Director
Steve Mann Sound Effects Editor
Harry Cohen Sound Designer
Crystal Dalman Stunts, Stunt Double
Chris Jenkins Sound Re-Recording Mixer
Ryan Ennis Stunts