Signal The Second Signal Episode 4 Episode 4 ( Air Date 2026-12-08 ) Genre Crime, Mystery, Sci-Fi & Fantasy, Drama category. Overview " Detectives from the present and a detective from the past communicate via walkie-talkie to solve a long-time unsolved case.".
Signal The Second Signal Episode 4 Episode 4
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- Watch: Signal The Second Signal Episode 4 Episode 4 on CWR-CRB
- Stars: Lee Je-hoon, Kim Hye-soo, Cho Jin-woong, Jang Hyun-sung, Jung Hae-kyun, Kim Won-hae, Jung Han-bi, Lee Yoo-jun, Kim Min-gue, Kang Chan-hee, Im Hwa-young
- Director: Jinnie Choi, Lee Jae-moon, Park Seong-il, INKII
