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Four insomniac med school students are lured into a neuroscience experiment that spirals out of control and must find a way out before it’s too late.
Deep (2021) is a science fiction, thriller, drama and mystery film directed by Jetarin Ratanaserikiat, released on July 16, 2021 with a runtime of 1h 41m. It stars Panisara Rikulsurakan, Kay Lertsittichai, Supanaree Sutavijitvong and Krit Jeerapattananuwong. Viewers rate it 6.3 out of 10 across 123 ratings.
Watch the official trailer for Deep before you stream it.
Panisara Rikulsurakan
as Jane
Kay Lertsittichai
as Win
Supanaree Sutavijitvong
as Cin
Krit Jeerapattananuwong
as Peach
Warisara Jitpreedasakul
as June
Wongsakorn Rassamitat
as Win's Father
Dujdao Vadhanapakorn
as Professor Nichcha
Bhumibhat Thavornsiri
as Jade
Kim Waddoup
as Dr. Hans Miller
Philaiwan Khamphirathat
as Jane's Grandmother
Siriporn Tassanachaisi
as Professor
Sutree Chanachai
as Professor
Directed by Jetarin Ratanaserikiat, written by Sita Likitvanichkul, Jetarin Ratanaserikiat and Kittitat Nokgnam, produced by Sa-Nga Chatchairungruang, Utai Khunmkong and Taddanai Praman.
Average viewer score of 6.3/10 from 123 ratings.
Deep explores a chilling premise — a world where falling asleep could mean death. Centered on a group of medical students lured into a secret experiment to cure insomnia, the film begins with intrigue and strong psychological potential. As exhaustion blurs reality, paranoia rises, and survival becomes a fragile game against time. Unfortunately, its promising mystery unravels into rushed explanations and…
Reviewed on November 11, 2025
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Deep (2021) is available to stream on Netflix. Streaming availability is checked against JustWatch data and can change by region.
The main cast of Deep (2021) includes Panisara Rikulsurakan, Kay Lertsittichai, Supanaree Sutavijitvong, Krit Jeerapattananuwong and Warisara Jitpreedasakul. The film was directed by Jetarin Ratanaserikiat. You can see the full cast and crew list, with character names, further up this page.
Deep was released on July 16, 2021 and runs for 1h 41m.
Deep (2021) holds an average rating of 6.3 out of 10 from 123 viewer votes, and is a good pick if you enjoy science fiction, thriller and drama films. Read the viewer reviews on this page to decide for yourself.
Yes. The official Deep trailer is embedded in the trailer section of this page and plays instantly, no download or sign-up required.
