Lee Jehoon
Park Hae-yeong
Memuat halaman
![Poster Signal [Indonesian]](https://pbcdn.aoneroom.com/image/2026/01/27/1a621c3b290369d13ce8df4d19516b4a.jpg)
A cold-case profiler in 2015 and a detective in 1989 work together to solve a series of related murders spanning three decades using a special walkie-talkie to communicate with each other.
18 pemeran tersedia.
Park Hae-yeong
Cha Soo-hyeon
Lee Jae-han
Kim Gye-cheol
Ahn Chi-soo
Kim Hae-chul (Detective)
Jang Young-chul
Oh Gyung-tae
Jin-Woo
Lee Chun-goo
Lee Chan Goo [Bus driver]
Yeo Jin's father
Shin Da-hye
Yoon Soo-ah
Yoo Seung-yeon
Jang Tae-Jin
Kim Won Kyeong
Detective