Gardner Elliot
Tulsa
Kendra Wyndham
Nathaniel Shepherd
Sarah Elliot
Tom Chen
Harrison Lane
Dr. Gary Loh
Scott Hubbard
Reporter
Control Room Technician
Alice Myers
NASA Executive
NASA Chief Doctor
Centaur (voice)
Debate Moderator
College Student
Little Bewley Brother
Big Bewley Brother
Chuck Woodruff
Maid
Young NASA Secretary
NASA Scientist
NASA Guide
Roland
Student
Buff College Kid
Homeless Man
Mrs. Tupelo
Mechanic
Entitled Teen
Colorado State Trooper
Screaming Girl
Teenage Boy
New Mexico State Policeman
Havasupai Woman
Shaman Neka
Pilot
ER Doctor
ER Clerk
Reception Nurse
Social Services Man
Sarah's Brother
Air Force Colonel
Foster Care Worker
E. Marks / Security (uncredited)
Astronaut / Shuttle Crew (uncredited)
Alfonso (uncredited)
Dr. Cox (uncredited)
Doctor (uncredited)
Nurse (uncredited)
East Texas Tech (uncredited)
Banquet Attendee (uncredited)
NASA Security (uncredited)
Genesis Shareholder (uncredited)
Mars Inhabitant (uncredited)
NASA Executive (uncredited)
NASA Student (uncredited)