Unknown is 1 h 53 min long (113 minutes). If you start it at 8:00 pm it ends at 9:53 pm; add about 20 minutes if you watch trailers first.

What is Unknown rated?

Unknown is rated PG-13 in the US.

Where can I stream Unknown?

In the US, as of 2026-11-05: YouTube Free (free with ads). Availability changes often; this page loads the live list for your country (streaming availability by JustWatch).

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Where to watch Unknown (2011) tonight

Unknown (2011) runs 1 h 53 min, is rated PG-13 in the US and averages 6.7 from 4,347 TMDB members. A man awakens from a coma, only to discover that someone has taken on his identity and that no one, (not even his wife), believes him. With the help of a young woman, he sets out to prove who he is.

Runtime: 1 h 53 min — ends 9:53 pm if you start at 8:00 pm
Rated: PG-13 (US)
Genres: Action, Mystery, Thriller
Released: February 16, 2011
TMDB rating: 6.7 / 10 from 4,347 votes
Director: Jaume Collet-Serra
Starring: Liam Neeson, Diane Kruger, January Jones, Aidan Quinn
Language: English

Good for a group? Yes — a crowd movie.Action and Mystery hold a room: people can talk, laugh or scream over it and still follow what is going on.

Where to watch it tonight

Availability loads live for your country. See where Unknown streams (JustWatch via TMDB) →

Streaming availability by JustWatch. In the US, as of 2026-11-05: YouTube Free (free with ads).

Questions people ask

How long is Unknown?: Unknown is 1 h 53 min long (113 minutes). If you start it at 8:00 pm it ends at 9:53 pm; add about 20 minutes if you watch trailers first.
What is Unknown rated?: Unknown is rated PG-13 in the US.
Is Unknown a good movie to watch with a group?: Yes — a crowd movie. Action and Mystery hold a room: people can talk, laugh or scream over it and still follow what is going on.
Where can I stream Unknown?: In the US, as of 2026-11-05: YouTube Free (free with ads). Availability changes often; this page loads the live list for your country (streaming availability by JustWatch).

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Unknown on TMDB · This product uses the TMDB API but is not endorsed or certified by TMDB.

Lights Down is a free tool: tell it your streaming services and how long you have, and it ranks what you can stream tonight, with a this-or-that, a roll, a bracket and a wheel. Movie data from TMDB; streaming availability by JustWatch. Page updated 2026-11-05. This product uses the TMDB API but is not endorsed or certified by TMDB. Lights Down is a Somebody Decide program. How the data works · Legal & privacy · Tonight's lists