Lee Je-hoon
Park Hae-young
TV Series2016CrimeMysterySci-Fi & FantasyDrama
Signal
There are those who are born monsters, but there are also those who are made into monsters by people.

Detectives from the present and a detective from the past communicate via walkie-talkie to solve a long-time unsolved case.
8.2 / 1020162 seasons206 votes
Play official trailerCast
Cast
Kim Hye-soo
Cha Soo-hyun
Cho Jin-woong
Lee Jae-han
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