Diretor/a
Robert Parrish
DIRETOR/A
Elenco (na ordem dos créditos)
Roy Thinnes
Colonel Glenn Ross
Ian Hendry
John Kane
Patrick Wymark
Jason Webb
Lynn Loring
Sharon Ross
Loni von Friedl
Lisa Hartmann
Franco De Rosa
Paulo Landi
Herbert Lom
Doctor Hassler
George Sewell
Mark Neuman
Ed Bishop
David Poulson
Philip Madoc
Dr. Pontini
Vladek Sheybal
Psychiatrist
George Mikell
Captain Ross
Keith Alexander
EuroSEC Launch Controller (uncredited)
Peter Burton
Medical Technician (uncredited)
Anthony Chinn
Mongolian Rescue Crew Member (uncredited)
John Clifford
Gantry Technician (uncredited)
Maurice Connor
Suit Technician (uncredited)
Nicholas Courtney
Medical Data Analyst (uncredited)
Maxwell Craig
Cy Grant
Dr. Gordon (uncredited)
Constantine Gregory
Mission Control Technician (uncredited)
Victor Harrington
Party Guest (uncredited)
Alan Harris
Photographer (uncredited)
Alan Haywood
Doppelganger Crew Chief (uncredited)
Jon Kelley
Nurse (uncredited)
Cyril Kent
Party Waiter (uncredited)
Annette Kerr
Martin King
Dove Service Technician (uncredited)
Basil Moss
Monitoring Station Technician (uncredited)
Norma Ronald
Pam Kirby, Webb's Secretary (uncredited)
John Stone
London Delegate (uncredited)
Joseph Tregonino
Peter van Dissel
Mallory (uncredited)
Colin Vancao
Brussels EuroSEC Representative (uncredited)
Jeremy Wilkin
Trajectory Analyst (uncredited)