

MovieMysteryCrimeScience Fiction
The Groundstar Conspiracy
Only if you like gripping suspense, and surprise endings...
6.2(23)19721h 35m
A break-in and sabotage attempt occurs at a top secret research institute and the culprit is cornered and captured. The problem is that he's been badly injured and claims to have lost his memory entirely. A cat-and-mouse game ensues between investigator Tuxan, the mystery intruder Welles and the people who sent him on the mission.
- Director
- Lamont Johnson
- Created by
- Earl A. Glick
- Writers
- Douglas Heyes
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Cast

George Peppard
Tuxan

Michael Sarrazin
John David Welles / Peter Bellamy

Christine Belford
Nicole Devon

Cliff Potts
Carl Mosely

James Olson
Senator Stanton

Tim O'Connor
Frank Gossage

James McEachin
Bender

Alan Oppenheimer
General Hackett
Roger Dressler
Charlie Kitchen
Ty Haller
Henshaw

Anna Hagan
Dr. Plover

Hagan Beggs
Dr. Hager

John Destry
Zabrinski
Milos Zatovic
Dr. Zahl
Don Granbery
Technician
Robin Coller
Secretary
Bob Meneray
MP Sergeant
Richard Sergeant
MP
Ed Collier
Nicole's Doctor

Mitch Mitchell
MP
Martin Moore
MP
Don Vance
Reporter
William Nunn
Reporter
Peter Lavender
Reporter
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Crew
Directing
- Lamont JohnsonDirector
- Margaret HanlyScript Supervisor
- Roger GoodAssistant Director
Writing
- Leslie P. DaviesNovel
- Douglas HeyesScreenplay
Production
- Hal Roach, Jr.Producer
- Trevor WallaceProducer
- Earl A. GlickExecutive Producer
- Harvie McCrackenUnit Production Manager
- Frank ArrigoAssociate Producer
Camera
- Michael ReedDirector of Photography
- Ron DrinkwaterFocus Puller
Editing
- Edward M. AbromsEditor
- Bill LewthwaiteAssociate Editor
- Roy PiperAssociate Editor
- Frederic L. KnudtsonAssociate Editor
Sound
- Paul HoffertOriginal Music Composer
- John W. GusselleSound Mixer
Art
- Cam PorteousSet Designer
Costume & Make-Up
- Ilse RichterWardrobe Supervisor
- Phyllis NewmanMakeup Artist
- Werner KepplerMakeup Artist
Crew
- Herbert EwingSpecial Effects
- Bob HerronStunts
- David OstereStunt Coordinator