Nathaniel Shepherd
Sarah Elliot
Harrison Lane
Dr. Gary Loh
Scott Hubbard
Reporter
Control Room Technician
Tom Chen
Alice Myers (as Lauren Myers)
NASA Executive
NASA Chief Doctor
Gardner Elliot
Centaur (voice)
Kendra Wyndham
Debate Moderator
College Student
Tulsa
Little Bewley Brother
Big Bewley Brother
Chuck Woodruff (as Tim Janis)
Maid (as Kristen Rakes)
Young NASA Secretary
NASA Scientist
NASA Guide
Roland
Student (as J.P. Howard)
Buff College Kid
Homeless Man
Mrs. Tupelo
Mechanic
Entitled Teen
Colorado State Trooper
Colorado State Trooper (as Matt Page)
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
High School Student (uncredited)
Wealthy Businessman (uncredited)
Genesis Shareholder (uncredited)
NASA Security (uncredited)
Alfonso (uncredited)
NASA Executive (uncredited)
Banquet Attendee (uncredited)
Patient (uncredited)
Shopper (uncredited)
Astronaut Lewis (uncredited)
Hospital Patient (uncredited)
Nurse (uncredited)
Dinner Guest (uncredited)
Scientist (uncredited)
East Texas Colonist (uncredited)
Martian Colonist (uncredited)
Genesis Driver / Agent (uncredited)
East Texas Tech (uncredited)
Student (uncredited)
NASA Student (uncredited)
Self (uncredited)
Hospital Orderly (uncredited)
Doctor (uncredited)
Bus Station Patron (uncredited)
NASA security (uncredited)
E. Marks / Security (uncredited)
Astronaut (uncredited)
Magellen Astronaut P. Molloy (uncredited)
Genesis Driver (uncredited)
Social Worker (uncredited)
Mars Inhabitant (uncredited)
Bus Passenger (uncredited)
Teacher (uncredited)
Genius Share Holder (uncredited)
NASA Executive / Scientist (uncredited)
Dr. Cox (uncredited)