The Investigator (1973): cast, story & where to watch
1973 · Film

Released in 1973, The Investigator is a family and science fiction film directed by Gerry Anderson, running about 23 minutes. “The Investigator has arrived to make our world a better place...” — that tagline sets the tone.
What it’s about. The Investigator, a benevolent alien from a distant galaxy, selects an Earth boy and girl, John and Julie, to assist him in his mission to make their world a better place. The pair are miniaturized to assist The Investigator more easily, and assigned to prevent the theft by Stavros Karanti of a 14th-century masterpiece from a church on the island of Malta. John and Julie are presented with a car and a boat, scaled to accommodate their miniaturized size and set out to thwart Karanti's plans...
Who’s in it. The Investigator stars Shane Rimmer as John (voice), Sylvia Anderson as Julie (voice), Peter Dyneley as The Investigator (voice) and Charles Thake as Stavros Karanti, among others.
Where to watch. Streaming options change often. See the full, country-by-country breakdown on our where to watch The Investigator page.
If you liked it. Fans of The Investigator tend to enjoy Spirited Away, Back to the Future, The Lion King and Coco.
Frequently asked
- Where can I watch The Investigator (1973)?
- Streaming, rental and purchase options for The Investigator change frequently. Check our where-to-watch page for the latest availability in your country.
- Who stars in The Investigator?
- The Investigator stars Shane Rimmer, Sylvia Anderson, Peter Dyneley, Charles Thake and Peter Borg.
- When was The Investigator released?
- The Investigator was released in 1973, with a runtime of about 23 minutes.