Elenco de 'Ultimátum a la Tierra'

Director

Scott Derrickson

Elenco

Jennifer Connelly Helen Benson

Kathy Bates Regina Jackson

Jaden Smith Jacob Benson

John Cleese Profesor Barnhardt

Jon Hamm Michael Granier

Kyle Chandler John Driscoll

Robert Knepper Coronel

James Hong Mr. Wu

John Rothman Dr. Myron

Sunita Prasad Rouhani

Juan Riedinger William Kwan

Jennifer Connelly Helen Benson

Keanu Reeves Klaatu

Guionistas

David Scarpa