They Called Him Mostly Harmless (2024): cast, story & where to watch

2024 · Film · ★ 6.3

They Called Him Mostly Harmless poster

Released in 2024, They Called Him Mostly Harmless is a documentary, crime and mystery film directed by Patricia E. Gillespie, running about 89 minutes.

What it’s about. When an unidentified hiker is found deceased in the Florida wilderness, authorities release a sketch. Multiple hikers call in claiming to have met the man. There's only one problem – he never told them his name. It would take two years, thousands of devoted internet sleuths, and a miracle of science to identify him, and that's when the trouble really starts.

How it landed. With an audience score of 6.3/10, They Called Him Mostly Harmless has drawn a solid, mixed-to-positive response.

Where to watch. In US you can stream it on HBO Max. See the full, country-by-country breakdown on our where to watch They Called Him Mostly Harmless page.

If you liked it. Fans of They Called Him Mostly Harmless tend to enjoy One Direction: This Is Us, Burn the Stage: The Movie, BTS World Tour: Love Yourself - Japan Edition and Senna.

Frequently asked

Where can I watch They Called Him Mostly Harmless (2024)?
In US, They Called Him Mostly Harmless is available to stream on HBO Max. Availability varies by country — check our where-to-watch page for every region.
Is They Called Him Mostly Harmless worth watching?
They Called Him Mostly Harmless holds an audience score of 6.3 out of 10, and is a strong pick if you enjoy documentary, crime and mystery. Reactions are mixed, so it may depend on taste.
When was They Called Him Mostly Harmless released?
They Called Him Mostly Harmless was released in 2024, with a runtime of about 89 minutes.