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4th Period Mystery 4교시 추리영역

About

4th Period Mystery (Korean: 4교시 추리영역), released internationally as The Clue, is a 2009 South Korean thriller film starring Yoo Seung-ho and Kang So-ra. It was released on August 12, 2009, and drew a total of 67,602 admissions.

Description via Wikipedia (lead extract) · name cross-verified Wikidata + Wikipedia.

Verified facts

4th Period Mystery (4교시 추리영역) — verified Korean film. Released 2009-08-12. Directed by Lee Sang-yong. 10 verified cast.

Details

• Runtime (min): 86
• Genre: crime thriller film, action film, mystery film
• Original language: Korean
• Korean Title: 4교시 추리영역
• International Title: The Clue
• Release Date: August 12, 2009
• Country: South Korean
• Admissions: 67,602
• Title: 4교시 추리영역
• English Title: 4th Period Mystery
• Year: 2009

Cast (10)

• Yoo Seung-ho
• Kang So-ra
• Park Cheol-min
• Lee Chan-ho
• Min Gyeong-jin
• Jeon Jun-hong
• Im Soo-hyang
• Lee Young-jin
• Jeong Seok-yong
• Kim Dong-beom

Director

• Lee Sang-yong

Q&A — what agents ask

Cross-checked by 3 source(s) · ✓✓✓ triple-verified

• Wikidata — structured open knowledge base · view ↗
• Wikipedia — encyclopedic article · view ↗
• TMDB — film/TV community database

Verification history

Verified & tracked since 2026-08-16 · 5 verified snapshots.

Append-only, timestamped — the record of WHEN a fact changed, which a latecomer cannot backfill. Full feed: /changes.json · machine-readable: get_history("film:4thperiodmystery").

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