Episode | Credits | Transcript |
Episode Cast[]
- Martin Landau as Commander John Koenig
- Barbara Bain as Dr. Helena Russell
- Barry Morse as Prof. Victor Bergman
- Anthony Valentine as Male Alien
- Isla Blair as Female Alien
- Prentis Hancock as Paul Morrow
- Clifton Jones as David Kano
- Zienia Merton as Sandra Benes
- Anton Phillips as Dr. Mathias
- Nick Tate as Alan Carter
Uncredited[]
- Robert Atiko and Paul Weston as Technicians
- Binu Balani, Andy Dempsey, Alan Harris, Raymond Harris and Jan Rennison as Main Mission Operatives
- Sarah Bullen as Operative Kate
- Maxwell Craig as Injured Security Guard
- James Fagan as Ken Johnson
- Judith Hepburn and Kathy Mallory as Nurses
- Suzanne Roquette as Tanya Aleksandr
- Chris Williams as Medic
Episode Crew[]
- Directed by Charles Crichton
- Script by Christopher Penfold
- Produced by Gerry Anderson (Executive producer) and Sylvia Anderson (Producer)
- Original Music by Barry Gray
- Cinematography by Frank Watts (Director of photography)
- Film Editing by Alan Killick
- Casting by Michael Barnes
- Production Design by Keith Wilson
Makeup Department[]
- Helene Bevan (Hair designer)
- Ann Cotton (Makeup artist)
Production Management[]
- Ron Fry (Production manager)
Second Unit Director or Assistant Director[]
- Ken Baker (Assistant director)
Art Department[]
- Bill Beavis (Scenic artist - uncredited)
- John Chisholm (Props - uncredited)
Sound Department[]
- David Bowen (Sound recordist)
- Peter Pennell (Sound editor)
Special Effects[]
- Nick Allder (Special effects director)
- Michael S.E. Downing (Electronics)
- Frank Drake (Camera operator)
- Brian Johnson (Special effects)
- Harry Oakes (Lighting cameraman)
Visual Effects[]
- Martin Bower (Model maker - uncredited)
Camera and Electrical Department[]
- Neil Binney (Camera operator)
Costume and Wardrobe Department[]
- Rudi Gernreich (Costumes: moon city)
- Eileen Sullivan (Wardrobe)
Editorial Department[]
- David Lane (Supervising editor - as Dave Lane)
Music Department[]
- Vic Elms (Associate)
- Alan Willis (Music editor)
- Michael Hankinson (Composer: stock music 'The Astronauts' - uncredited)
Other crew[]
- Johnny Byrne (Script editor)
- Gladys Goldsmith (Continuity)