The Investigator poster
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The Investigator

197323mUMovieScience FictionFamily

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,…

DirectorGerry Anderson
WritersSylvia Anderson·Shane Rimmer
ProducerGerry Anderson

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The Investigator was released on May 20, 1973 but we couldn't find it on any streaming service yet. Rights can change — try again later.

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Cast · Directed by Gerry Anderson

SRShane Rimmer
Shane Rimmer
John (voice)
SASylvia Anderson
Sylvia Anderson
Julie (voice)
PDPeter Dyneley
Peter Dyneley
The Investigator (voice)
CTCharles Thake
Charles Thake
Stavros Karanti
PB
Peter Borg
Christoph

More from Shane Rimmer · Lead actor

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1967 · 7.5
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More from Gerry Anderson · Director

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The Investigator — streaming FAQ

Which OTT platform streams The Investigator?

The Investigator isn't streaming anywhere in United Kingdom yet.

Is The Investigator on Netflix?

No, The Investigator is not on Netflix in United Kingdom as of September 2026.

Is The Investigator on Amazon Prime Video?

No, The Investigator isn't on Amazon Prime Video in United Kingdom right now.

Where can I watch The Investigator for free?

The Investigator isn't streaming in United Kingdom yet, so there's no way to watch it free at the moment.

What is the OTT release date for The Investigator?

The Investigator hasn't started streaming in United Kingdom yet. Based on the typical 6–8 week theatrical-to-streaming window, we estimate it will arrive around July 8, 1973. This is a prediction, not a confirmed date.