Jimmy
Col. Roy Manley
Sally Hawkins
Andy Hawkins
Commander
Lacey Myers
Bao Yuen
Sergei Petrov (as Nick Lobue)
Dani Williams
Russell 'Rusty' Riggs
Conway
Hunter
Chandra
Cosmonaut Yuri
Astronaut Michael
Astronaut Molly
Tech #1
Tech #2
Russian Tech #1
Russian Tech #2
Dr. Deborah Barnhart (as Dr. Deborah Barnhart)
Mission Controller
NASA Exec #1
NASA Exec #2 (as Robert Hill)
Bao's mom
Mr. Petrov
Jimmy Narration (voice)
Newscaster #1
Newscaster #2
Newscaster #3
Newscaster #4
Newscaster #5
Newscaster #6
Sam
Alana
Marshall Flight Director (as Sean Patrick McNamara)
Soyuz Commander
Rusty's father
Robonaut (as Chris Klebba)
Charlie Duke (as Charlie Duke)
Tops
Family Member
Family
Extra
Dani's Mom
Moon Buggy Driver
Space Camp Attendee
Space Cadet (uncredited)
Camp Counselor (uncredited)
Counselor Savannah (uncredited)
Space Center Tourist (uncredited)
Boy in Green at Ceremony (uncredited)
(uncredited)
Mission Controller (uncredited)
Cosmonaut (uncredited)
Robotics Spectator (uncredited)
Space Camper (uncredited)