Death Bell (2008 Film)
Death Bell (Korean: 고사: 피의 중간고사; RR: Gosa: Piui Jungkan Gosa) is a 2008 South Korean horror-thriller film directed by Chang. The film centers on a group of high-achieving students who find themselves trapped in their school, forced to participate in a lethal series of tests.

Plot
On the eve of critical university entrance examinations, 24 of the brightest students at a high school are locked inside a classroom. A television monitor reveals a classmate, Hae-yeong, held captive in an aquarium that is slowly filling with water. A voice informs the students that they must complete a series of exams within a strict time limit to save her life. Failure to provide the correct answers results in the death of the captive student and threatens the lives of those remaining in the classroom.
Production and Release
The film was directed by Chang and written by Kim Eun-Kyung and Chang. It was distributed by SK Telecom and released in South Korea on August 7, 2008. The film has a runtime of 88 minutes. It was featured in the competition section of the 12th Puchon International Fantastic Film Festival in July 2008.



Cast
- Nam Gyu-Ri as Yi-Na
- Kim Beom as Kang Hyeon
- Lee Beom-Soo as Hwang Chang-Ok
- Yoon Jung-Hee as Choi So-Yeong
- Lee Chae-Won as Uhm Ji-Yang
- Moon Woong-Ki as Kim Hyung-Jin



