Currently available on 2 streaming services.

Streaming, rent, or buy Signal – Season 1:

Currently you are able to watch "Signal - Season 1" streaming on Netflix, HBO Go.

Cast

Lee Je-hoon
Park Hae-yeong
Kim Hye-su
Cha Soo-hyeon
Cho Jin-woong
Lee Jae-han
Kim Won-hae
Kim Gye-cheol
Jung Hae-kyun
Ahn Chi-soo