Unknown Box Office and Release Facts
A TMDB-backed guide to Unknown, including cast, release facts, genres and watch-provider notes.

Unknown (2011) — an evergreen reference for this movie: the essentials, the cast, where to watch and what to watch next. Take Back Your Life
Where to watch
TMDB's U.S. watch-provider data lists Amazon Video, Apple TV Store, Google Play Movies, YouTube. Availability changes by country and date, so check your streaming app before watching.
Cast
Liam Neeson as Dr. Martin Harris; Diane Kruger as Gina; January Jones as Elizabeth Harris; Aidan Quinn as Martin B.; Bruno Ganz as Ernst Jürgen; Frank Langella as Rodney Cole; Sebastian Koch as Professor Leo Bressler; Olivier Schneider as Smith
About Unknown
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.
More like Unknown
- Stonehearst Asylum
- Play Dirty
- Criminal
- The Bone Collector
- Brake
- Stretch
- Awake
- Collateral
Figures and availability come from public TMDB data and are provided as a sourced reference.
Frequently asked questions
Where can I watch Unknown?
TMDB's U.S. watch-provider data lists Amazon Video, Apple TV Store, Google Play Movies, YouTube. Availability changes by country and date, so check your streaming app before watching.
Who is in the cast of Unknown?
Liam Neeson as Dr. Martin Harris; Diane Kruger as Gina; January Jones as Elizabeth Harris; Aidan Quinn as Martin B.; Bruno Ganz as Ernst Jürgen; Frank Langella as Rodney Cole; Sebastian Koch as Professor Leo Bressler; Olivier Schneider as Smith
Is this Unknown guide official?
No. It uses TMDB data as a reference and is not endorsed or certified by TMDB.



