Prof. Jack Hall

Dennis Quaid

Sam Hall

Jake Gyllenhaal

Laura Chapman

Emmy Rossum

Terry Rapson

Ian Holm

Jason Evans

Dash Mihok

Frank Harris

Jay O. Sanders

Dr. Lucy Hall

Sela Ward

J.D.

Austin Nichols

Vice President Becker

Kenneth Welsh

Brian Parks

Arjay Smith

Janet Tokada

Tamlyn Tomita

Parker

Sasha Roiz

President Blake

Perry King

Gomez

Nestor Serrano

Simon

Adrian Lester

Dennis

Richard McMillan

Saudi Delegate

Nassim Sharara

Judith

Sheila McCarthy

Venezuelan Delegate

Carl Alacchi

Luther

Glenn Plummer

Saudi Translator

Michel Abou-Samah

Bob

Kenneth Moskow

Jared Harris

Saudi Translator

Michel 'Gish' Abou-Samah

Veteran Scientist

John MacLaren

Secretary of State

Mimi Kuzyk

Flight Director

Richard Zeman

Hideki, Japanese Astronaut

Russell Yuen

Yuri, Russian Astronaut

Vitali Makarov

Vorsteen

Chris Britton

Aaron

Christian Tessier

NY Businessman on Bus

Rick Hoffman

Vorsteen

Christopher Britton

Commander Daniels

Alan Fawcett

Elsa

Amy Sloan

Maria

Karen Glave

Zack

Joe Cobden

Tina

Caroline Keenan

Truck Radio Announcer (voice)

Matt Adler

Japanese Policeman

Nobuya Shimamoto

Tony

Robin Wilcock

Director

Roland Emmerich