| Episode | Credits | Transcript |
Cast[]
- Martin Landau as Commander John Koenig
- Barbara Bain as Dr. Helena Russell
- Catherine Schell as Maya
- Tony Anholt as Tony Verdeschi
- Nick Tate as Alan Carter
- Zienia Merton as Sandra Benes
- Jeffery Kissoon as Dr. Ben Vincent
- Peter Porteous as Petrov
- Tony Osoba as 1st Security Guard
- John Judd as 2nd Security Guard
- Trevor Thomas as Refuel Eagle Pilot
- Andrew Lodge as Grasshopper (Captain Duro) / Psychon
Uncredited[]
- Joe Dunne as Elevator Security Guard
- Suzanne Heimer as Nurse
- Nick Hobbs as Medical Security Guard
- Jack Klaff as Launch Area Security Guard
- Quentin Pierre as Pierce Quinlon
- Dinny Powell as Psychon
- Robert Reeves as Peter Reeves
- Terry Walsh as Technician with Petrov
Crew[]
- Directed by Peter Medak
- Written by Fred Freiberger (Credited as Charles Woodgrove)
- Produced by Gerry Anderson (Producer), Fred Freiberger (Producer) and F. Sherwin Green (Associate producer)
- Music by Derek Wadsworth
- Cinematography by Frank Watts
- Film Editing by Mike Campbell
- Casting by Lesley De Pettit (Credited as Lesley de Pettitt)
- Production Design by Keith Wilson
- Costume Design by Emma Porteous
- Hairdressers: Jan Dorman and Jeanette Freeman (Credited as Jeannette Freeman)
- Makeup Artists: Basil Newall and Connie Reeve
- Production Manager: Donald Toms
- Assistant Director: Ken Baker
- Second Unit Director (Uncredited): David Lane
- Assistant Art Director: Michael Ford
- Construction Manager: Bill Waldron
- Sound Supervisor: Roy Baker
- Sound Editors: Jack T. Knight (Credited as Jack Knight) and Peter Pennell
- Sound Recordist: Brian Marshall
- Re-Recording Mixer: Otto Snel
- Lighting Cameraman: Nick Allder
- Electronics: Michael S.E. Downing
- Special Effects Designer / Special Effects Director: Brian Johnson
- Camera Operator: David Litchfield
- Model Makers (Uncredited): Andrew Kelly and Martin Bower
- Camera Operator: Neil Binney
- Gaffer (Uncredited): John May
- Wardrobe: Eileen Sullivan
- Music Editor: Alan Willis
- Continuity: Doreen Soan
- Drivers (Uncredited): Ray Atkins, Steve Smith and Doug Wetherley
- Cutting Room: Frederick Buckman
- Production Executive: Reg Hill
- Technical Director: David Lane[1]