The police procedural tackles crimes and clues in the cyber world, weaving a massive, twist-filled mystery of murders, identity switches, corruption and conspiracy.
as Kim Woo-hyun / Park Gi-young
as Yoo Kang-mi
as Jo Hyun-min
as Kwon Hyuk-joo
as Choi Seung-yeon
as Park Ki-young
as Han Young-seok
as Shin Kyung-soo
as Jeon Jae-wook
as Kim Seok-joon
as Im Chi-hyun
as Shin Hyo-jung
as Kwon Do-young
as Cameo
as Byeon Sang-woo
as Oh Yeon-suk
as Cho Gyeong-sin
as Cho Jae-min
as Executive Moon
as Shin Hyo-jung's fan
