Dennis Quaid

Jack Hall

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

Christian Tessier

Aaron

Rick Hoffman

NY Businessman on Bus

Sheila McCarthy

Judith

Amy Sloan

Elsa

Karen Glave

Maria

Joe Cobden

Zack

Caroline Keenan

Tina

Matt Adler

Truck Radio Announcer (voice)

Nestor Serrano

Gomez

Adrian Lester

Simon

Jake Gyllenhaal

Sam Hall

Emmy Rossum

Laura Chapman

Dash Mihok

Jason Evans