The Troubled Spirit/Credits

Regular Characters

 * John Koenig
 * Helena Russell
 * Victor Bergman
 * Paul Morrow
 * Alan Carter
 * Sandra Benes
 * Kano
 * Bob Mathias
 * Tanya

Additional Characters

 * Dan Mateo - Giancarlo Prete
 * Laura Adams - Hilary Dwyer
 * Dr. James Warren - Anthony Nicholls
 * Operative Kate - Sarah Bullen
 * Spirit Mateo - Val Musetti
 * Sitarist - Jim Sullivan
 * Main Mission Operatives - Binu Balini, Sarah Bullen, Loftus Burton, Andrew Dempsey
 * Security Guards - Tony Allyn, Quentin Pierre
 * Botanists - Vernon Morris, Xanthi Gardner
 * Medic - Christopher Williams
 * Nurses - Jeannie Galston, Judith Hepburn, Jan Rennison
 * Technicians - Robert Atiko, Eddy Nedari, Richard Shore

Production Crew
Production Design by Keith Wilson
 * Produced by Gerry Anderson (Executive producer and Sylvia Anderson (Producer)
 * Music by Barry Gray
 * Cinematography by Frank Watts (Director of photography)
 * Film Editing by Alan Killick
 * Casting By Michael Barnes
 * Makeup Department
 * Helene Bevan (Hair designer)
 * Basil Newall (Makeup artist)
 * Production Management
 * Ron Fry (Production manager)
 * Second Unit Director or Assistant Director
 * Ken Bake (Assistant director)
 * Art Department
 * Bill Beavis (Scenic artist - uncredited)
 * John Chisholm (Props - uncredited)
 * Sound Department
 * David Bowen (Sound recordist)
 * Roy Lafbery (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)
 * Andrew Kelly (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)
 * Script and Continuity Department
 * Gladys Goldsmith (Continuity)
 * Transportation Department
 * Ray Atkins (Driver - uncredited)
 * Steve Smith (Driver - uncredited)
 * Doug Wetherley (Driver - uncredited)
 * Additional Crew
 * Jeremy Coote (Runner - uncredited)