Underland (2026): Cast, Ratings & Box Office
Underland is a 2026 adventure documentary directed by Rob Petit, starring Sandra Hüller as Narrator, Fátima Tec Pool and Mariangela Lisanti. It runs 1 hour 19 minutes and earned $153,719 worldwide. Critics gave it 100% on Rotten Tomatoes and 63 on Metacritic, and IMDb users rate it 5.8/10.
- Released
- Runtime
- 1h 19m (79 min)
- Director
- Rob Petit
- Genres
- Documentary , Adventure , History , Mystery
- Original language
-
English - Studio
- Hot Docs Partners
- After the credits
- No No extra scene
What Is Underland About?
The premise of Underland without spoilers.
Inspired by Robert Macfarlane’s bestseller, this documentary explores the world beneath our feet. From soil under an ash tree we follow ‘astronauts of the underworld’ into caves, flooded drains and a lab probing universal mysteries. Narrated by Oscar‑nominated Sandra Hüller, it blends poetry and science to reveal our fragile planet and spark a new vision for life above.
Underland Cast & Characters
Sandra Hüller leads the cast as Narrator, with Fátima Tec Pool and Mariangela Lisanti. Directed by Rob Petit; 4 actors are credited in all.
- Director Rob Petit
-
Sandra Hüller as Narrator - Fátima Tec Pool as themselves
- Mariangela Lisanti as themselves
- Bradley Garrett as Urban Explorer
More from Rob Petit
One more film directed by Rob Petit: Underland.
Underland Reviews & Ratings
Critics gave Underland 100% on Rotten Tomatoes and 63 on Metacritic, and IMDb users rate it 5.8/10.
-
IMDb 5.8 /10
171 votes
See on IMDb -
Rotten Tomatoes 100% Tomatometer
See on Rotten Tomatoes -
Metacritic 63 Metascore
See on Metacritic -
TMDB 53% User score
See on TMDB -
Letterboxd 3.4 /5
921 ratings
See on Letterboxd
Underland Box Office
Underland grossed $153,719 worldwide. $16,098 came from the US and Canada and $137,621 (90%) from the rest of the world.
Worldwide gross
$153.7K
- US & Canada
- $16.1K
- International
- $137.6K
Underland Trailers & Videos
2 videos: 1 trailer and 1 clip.
- Clip Preview Clip
Underland Also Known As
Also known as “岩脉私语”.
- Also known as
-
- 岩脉私语
Seen Underland?
Underland FAQ: Cast, Box Office & Runtime
Runtime, release date, director, cast, box office, ratings and post-credit scenes of Underland, each answered in a sentence.
How long is Underland?
Underland runs 1 hour 19 minutes (79 minutes).
When was Underland released?
Underland was released on June 5, 2026.
Who directed Underland?
Underland was directed by Rob Petit.
More films by Rob Petit Who is in the cast of Underland?
Underland stars Sandra Hüller as Narrator, Fátima Tec Pool and Mariangela Lisanti, among 4 credited actors.
How much did Underland make at the box office?
Underland grossed $153,719 worldwide ($16,098 domestic, $137,621 international).
How is Underland rated?
Underland has 5.8/10 on IMDb, 100% on Rotten Tomatoes, 63 on Metacritic and 53% on TMDB.
Does Underland have a post-credit scene?
No. Underland has no extra scene during or after the credits.
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