| 4th Period Mystery | |
|---|---|
 Theatrical poster | |
| Hangul | 4교시 추리영역 |
| Revised Romanization | 4Gyoshi Churiyeongyeok |
| McCune–Reischauer | 4Gyosi Churiyǒngyǒk |
| Directed by | Lee Sang-yong |
| Written by | Shin Jai-ho |
| Produced by | Seo Myung-jin |
| Starring | |
| Cinematography | Moon Ho-jin |
| Edited by | Kyung Min-ho |
| Music by | Yozoh |
Production company | Sway Entertainment |
| Distributed by | Lotte Entertainment |
Release date |
|
Running time | 86 minutes |
| Country | South Korea |
| Language | Korean |
| Box office | US$360,944[1] |
4th Period Mystery (Korean: 4교시 추리영역; RR: 4Gyoshi Churiyeongyeok), released internationally as The Clue, is a 2009 South Korean thriller film starring Yoo Seung-ho and Kang So-ra.[2][3]
It was released on August 12, 2009, and drew a total of 67,602 admissions.[4]
- ^ "4-Hour Mystery Zone (Sagyosi Churiyoungyeok / Clue) (2009)". Box Office Mojo. Retrieved 23 January 2015.
- ^ Mudge, James (24 November 2009). "4th Period Mystery (2009) Movie Review". Beyond Hollywood. Archived from the original on 29 June 2011. Retrieved 19 May 2012.
- ^ Hunter, Rob (10 March 2010). "Foreign Objects: 4th Period Mystery (South Korea)". Film School Rejects.
- ^ "Theatrical Releases in 2009: Box-Office Admission Results". Koreanfilm.org. Retrieved 17 October 2014.