“Locked. Erased. Controlled. Isolated. Blurred.”
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Forgotten (2017) – Official Trailer, Cast & Details
Forgotten at a Glance
Forgotten is a 2017 thriller, mystery and crime film helmed by Chang Hang-jun, starring Kang Ha-neul, Kim Moo-yul and Moon Sung-keun. It has a runtime of 1 hour 48 minutes and came out on November 29, 2017. Forgotten holds an average TMDB user score of 7.9/10 from 1,403 votes.
Watch the official Forgotten trailer for free in 123Movies below.
1080p HD • Free YouTube Stream
Storyline & Synopsis
Jin-seok, 21-year-old, moves into a new house with his family. He suffers from a slight schizophrenia but he carries an ordinary life under the warm care of the family. His older brother Yu-seok is a decent college student, a mentor, and role model for Jin-seok. One night, his beloved brother is kidnapped by unidentified assailants before Jin-seok's eye. Jin-seok can’t recognize their faces, but can remember only the VIN that matches with no car. After long silence of 19 days, suddenly Yu-seok returns home, but remembers nothing which had happened in the meantime. And soon Jin-seok feels Yu-seok is a total stranger.
Where “Forgotten” Fits in the 123Movies Catalog
Kang Ha-neul
Jin-seok
Kim Moo-yul
Yoo-seok / Choi Seong-uk
Moon Sung-keun
Jin-seok's Father / Mr. Park
Na Young-hee
Jin-seok's Father / Madam Min
Nam Myung-ryeol
Professor Choi
Lee Na-ra
Professor Choi's Wife
Jeong Taek-hyeon
High School Yoo-seok
Jung Chan-bi
Girl
Choi Go
Young Yoo-seok
Bae Seong-il
Questionable Man 1
Lee Soon-won
Questionable Man 2
Byeon Dong-joon
Questionable Man 3
Frequently Asked Questions About Forgotten
What is the release date of Forgotten?
Forgotten was released on November 29, 2017.
How long is Forgotten?
Forgotten runs 1 hour 48 minutes (108 minutes).
Who is in the cast of Forgotten?
Forgotten stars Kang Ha-neul as Jin-seok, Kim Moo-yul as Yoo-seok / Choi Seong-uk, Moon Sung-keun as Jin-seok's Father / Mr. Park and Na Young-hee as Jin-seok's Father / Madam Min. The cast also includes Nam Myung-ryeol, Lee Na-ra, Jeong Taek-hyeon and Jung Chan-bi.
Who directed Forgotten?
Forgotten was directed by Chang Hang-jun. The screenplay is credited to Chang Hang-jun.
What kind of movie is Forgotten?
Forgotten is listed on TMDB as a mix of thriller, mystery and crime.
What is the TMDB score of Forgotten?
On TMDB it has an average user score of 7.9/10 from 1,403 votes.
Where can I watch the Forgotten trailer?
You can watch the trailer for Forgotten, "Forgotten Korean Movie Trailer", for free on this 123Movies page. It is embedded from YouTube.
What should I watch if I liked Forgotten?
Movies TMDB recommends alongside Forgotten include Door Lock (2018), Get Out (2017), All the Devils Are Here (2025), 5lbs of Pressure (2024) and Barron's Cove (2025).
Can I stream the full movie of Forgotten on 123Movies?
No. 123Movies only shows official trailers and title information. Full movies are not hosted or linked on this site.
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