18 Youth (South Korean Film)

18 Youth (Korean: 열여덟 청춘; RR: Yeolyeodeol Cheongchun) is a South Korean feature film released on March 25, 2026. Directed by Eo Il-Seon, the film is distributed by Andamiro Films and has a runtime of 101 minutes.

Promotional poster for the film 18 Youth featuring the title 18 Youth KD-p — Promotional graphic for 18 Youth.

Background and Production

The film is based on the novel Yeolyeodeol Neoui Jonjaegam by Park Su-Hyun, which was published on November 28, 2011, by Renaissance. The screenplay was adapted by Park Soo-Young and Park Su-Hyun. Production was managed by producer Yang Seong-Joon, with cinematography handled by Choi Beom-Su.

Cast

The film features an ensemble cast portraying students, faculty members, and family roles:

Jeon So-Min as Jeong Hee-Ju
Kim Do-Yeon as Lee Sun-Jeong
Chu So-Jung as Kim Kyeong-Hee
Park Seo-Yeon as Kang Yi-Ji
Jo Ha-Young as Na Ye-Ri
Lee Joon-Hyuk as Dean of Students
Yoo Ji-Yeon as Lee Sun-Jeong's mother
Chu Ye-Jin as Jang Hye-Kyeong
Song Ji-Yeon as Dong-Hee
Yang Mi-Kyung as Eun-Seong's mother

Jeon So-Min portrait — Jeon So-Min plays Jeong Hee-Ju.

Kim Do-Yeon portrait — Kim Do-Yeon plays Lee Sun-Jeong.

Chu So-Jung portrait — Chu So-Jung plays Kim Kyeong-Hee.

Park Seo-Yeon portrait — Park Seo-Yeon plays Kang Yi-Ji.

Jo Ha-Young portrait — Jo Ha-Young plays Na Ye-Ri.

Lee Joon-Hyuk portrait — Lee Joon-Hyuk plays the Dean of Students.

Yoo Ji-Yeon portrait — Yoo Ji-Yeon plays Lee Sun-Jeong's mother.

Chu Ye-Jin portrait — Chu Ye-Jin plays Jang Hye-Kyeong.

Song Ji-Yeon portrait — Song Ji-Yeon plays Dong-Hee.