The Groundstar Conspiracy

The Groundstar Conspiracy (1972) is a mystery, crime, science fiction directed by Lamont Johnson rated 6.3/10.

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.