Dennis Quaid
Jack Hall
Jake Gyllenhaal
Sam Hall
Emmy Rossum
Laura Chapman
Dash Mihok
Jason Evans
Jay O. Sanders
Frank Harris
Sela Ward
Dr. Lucy Hall
Austin Nichols
J.D.
Arjay Smith
Brian Parks
Tamlyn Tomita
Janet Tokada
Sasha Roiz
Parker
Ian Holm
Terry Rapson
Richard McMillan
Dennis
Nassim Sharara
Saudi Delegate
Carl Alacchi
Venezuelan Delegate
Kenneth Welsh
Vice President Becker
Michel 'Gish' Abou-Samah
Saudi Translator
Kenneth Moskow
Bob
Glenn Plummer
Luther
Adrian Lester
Simon
Nestor Serrano
Gomez
John Maclaren
Veteran Scientist
Richard Zeman
Flight Director
Perry King
President Blake
Mimi Kuzyk
Secretary of State
Vitali Makarov
Yuri, Russian Astronaut
Russell Yuen
Hideki, Japanese Astronaut
Chris Britton
Vorsteen
Christian Tessier
Aaron
Rick Hoffman
NY Businessman on Bus
Alan Fawcett
Commander Daniels
Sheila McCarthy
Judith
Amy Sloan
Elsa
Karen Glave
Maria
Joe Cobden
Zack
Caroline Keenan
Tina
Matt Adler
Truck Radio Announcer (voice)
Nobuya Shimamoto
Japanese Policeman
Robin Wilcock
Tony
Jesus Perez
Mexican (NWS) Janitor