Movie guide
Beware the Slenderman (2016): movie guide
Beware the Slenderman (2016) is a Documentary, Crime running about 115 minutes. It holds a TMDB score of 6.5/10 from 275 votes. Notable cast includes Morgan Geyser, Anissa Weier, Payton Leutner, Angie Geyser. Cinema Box covers trailers, cast, and details for discovery — not full streaming.
- Released: 2016-03-11
- Runtime: 115 min
- TMDB: 6.5/10
- Genres: Documentary, Crime
Last updated: 2026-11-11 · First listed: 2016-03-11

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What is Beware the Slenderman about?
In this horrifyingly modern fairytale lurks an online Boogeyman and two 12-year-old girls who would kill for him. The entrance to the internet quickly leads to its darkest basement. How responsible are our children for what they find there?
Cast highlights
Beware the Slenderman features Morgan Geyser, Anissa Weier, Payton Leutner, Angie Geyser, William Weier, Michael O. Bohren. Open the Cinema Box title page for the full cast list and character credits.
Key facts
Release date: 2016-03-11. Runtime: 115 minutes. TMDB score: 6.5/10 (275 votes). Genres: Documentary, Crime. Original language: en. Status: Released.
Discover Beware the Slenderman on Cinema Box
Cinema Box is a movie and TV discovery app for Android. Use it to browse Beware the Slenderman, watch official trailers when available, save titles to your list, and plan what to watch — without hosting or streaming full films.
Frequently asked questions
- What genre is Beware the Slenderman?
- Beware the Slenderman is listed as Documentary, Crime on TMDB.
- How long is Beware the Slenderman?
- Beware the Slenderman runs about 115 minutes.
- Who stars in Beware the Slenderman?
- Cast highlights include Morgan Geyser, Anissa Weier, Payton Leutner, Angie Geyser, William Weier, Michael O. Bohren.
- Does Cinema Box stream Beware the Slenderman?
- No. Cinema Box is discovery-only — trailers, details, ratings, and watchlists. It does not host or stream full movies.
- Where can I track Beware the Slenderman?
- Open the Beware the Slenderman page on cinemabox.app or install the official Cinema Box Android app from Google Play for watchlists and discovery tools.








