Trigger – Season 1
When a shocking mass shooting shatters Korea's calm, Lee Do races to stop the violence — then realizes the threat of illegal guns is just beginning.
Park Yoon-ho
Park Gyu-jin
Kim Nam-gil
Lee Do
Kim Young-kwang
Moon Baek
Moon Seong-hyun
Teenage Moon Baek
Park Hoon
Koo Jeong-man
Kil Hae-yeon
Oh Gyeong-suk
Kim Won-hae
Cho Hyeon-sik
Woo Ji-hyun
Yoo Jeong-tae
Jung Woong-in
Yoon Won-cheol
Cho Han-chul
Captain Joo
Ahn Se-ho
Kim Deok-hyeon
Cha Rae-hyung
Seo Hyeong-ju
Jang Dong-ju
Jang Jeong-woo
Son Bo-seung
Seo Young-dong
Hong Min-gi
Kang Seong-jun
Sun Woo-sun
[Psychiatrist]
Kang Chae-young
Park So-hyeon [Nurse]
Kong Hyun-ji
Cho Se-yeong [Hyeon-sik's Daughter]
Do Eun-bi
Ko Ji-yeong [Water Purifier Coordinator]
Lee Suk
Jeo Won-sung [Sex Offender]
14 May 2026
25 Jul 2025
24 Aug 2023
07 May 2026
17 Nov 2017
04 Oct 2014
05 Nov 2025
15 May 2018
23 Apr 2020
07 Apr 2021
03 Feb 2022
12 Feb 2023
26 Jun 2026
07 Nov 2024
21 Feb 2016
29 Sept 2018
06 Aug 2021
27 May 2021
01 Mar 2026
27 Apr 2023