Signal (South Korean TV series)

Signal
Promotional poster
Hangul
시그널
Revised RomanizationSigeuneol
Genre
Created by
  • Choi Jin-hee
  • Park Ji-young
Written byKim Eun-hee
Directed byKim Won-seok
Starring
Opening theme"I Will Forget You"
by Jung Cha-sik
Ending themeVarious songs
Composers
  • Kim Joon-seok
  • Park Sung-il
Country of originSouth Korea
Original languageKorean
No. of seasons1
No. of episodes16 (list of episodes)
Production
Executive producers
Producers
  • Lee Jae-moon
  • Park Eun-kyung
Cinematography
  • Choi Sang-mook
  • Lee Joo-young
EditorKim Na-young
Camera setupSingle camera
Running time64–88 minutes
Production companies
Original release
NetworktvN
AXN
ReleaseJanuary 22, 2016 (2016-01-22) 
present
Related

Signal (Korean: 시그널) is a South Korean television series written by Kim Eun-hee, directed by Kim Won-seok, and starring Lee Je-hoon, Kim Hye-soo, and Cho Jin-woong. It was inspired by real-life criminal incidents in Korea, including the Hwaseong serial murders. The first season aired on tvN from January 22 to March 12, 2016, every Friday and Saturday at 20:30 (KST). In March 2024, a second season was confirmed to be in production.

The series received widespread acclaim from audiences and critics alike for its story and performances. It is also one of the highest-rated Korean dramas in cable television history with a peak audience viewership of 12.544%.

This series is inspired by the 2000 film, Frequency, a science fiction thriller film starring Dennis Quaid, Jim Caviezel, Andre Braugher, and Elizabeth Mitchell, which also inspired a TV series in 2016 of the same name by The CW, Frequency .