Current user rating: 90/100 (2718 votes)
- Drama: Tunnel
- Revised romanization: Teoneol
- Hangul: 터널
- Director: Shin Yong-Whee, Nam Ki-Hoon
- Writer: Lee Eun-Mi
- Network: OCN
- Episodes: 16
- Release Date: March 25 - May 21, 2017
- Runtime: Sat. & Sun. 22:00
- Language: Korean
- Country: South Korea
In 1986, Detective Park Gwang-Ho (Choi Jin-Hyuk) desperately tries to catch
a serial killer. He chases after the serial killer and goes through a tunnel. On the other side of the tunnel, Detective Park Gwang-Ho finds himself in the year 2017. The serial killer has resumed the killings that began 30 years ago. Detective Park Gwang-Ho works with Detective Kim Sun-Jae (Yoon Hyun-Min) and Professor of Criminal Psychology Shin Jae-Yi (Lee Yoo-Young) to catch the killer.
- "Tunnel" takes over the OCN Sat. & Sun. 22:00 time slot previously occupied by "Voice" and followed by "Duel" on June 3, 2017.
- Filming begins in late December, 2016.
- First script reading took place December, 2016 at CJ E&M Center in Sangam-dong, Seoul, South Korea.
- Ep.13 and ep.14 were originally scheduled to air May 6th and May 7th, 2017, but, due to the presidential election and "golden week" holiday, ep.13 and ep.14 will air May 13 and May 14th, 2017.
- Related titles (based on the same true story serial murder case):
- Memories of Murder | Salinui Chueok (2003)
- Gabdong, the Memories of Murder | Gapdongi (tvN / 2014)
- Signal (tvN / 2016)
- Tunnel (OCN / 2017)
- Signal (Fuji TV / 2018)
Additional Cast Members:
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