Colonel Glenn Ross
John Kane
Jason Webb
Sharon Ross
Lisa Hartmann
Paulo Landi (as Franco Derosa)
Doctor Hassler
Mark Neuman
David Poulson (as Edward Bishop)
Dr. Pontini
Psychiatrist
Captain Ross
EuroSEC Launch Controller (uncredited)
Medical Technician (uncredited)
Mongolian Rescue Crew Member (uncredited)
Gantry Technician (uncredited)
Suit Technician (uncredited)
Medical Data Analyst (uncredited)
Dr. Gordon (uncredited)
Mission Control Technician (uncredited)
Party Guest (uncredited)
Photographer (uncredited)
Doppelganger Crew Chief (uncredited)
Nurse (uncredited)
Party Waiter (uncredited)
Dove Service Technician (uncredited)
Monitoring Station Technician (uncredited)
Pam Kirby, Webb's Secretary (uncredited)
London Delegate (uncredited)
Mallory (uncredited)
Brussels EuroSEC Representative (uncredited)
Trajectory Analyst (uncredited)