Kim Joong-hee

as Kim Sang-rak (2 episodes)

as Reporter Wang (10 episodes)

as Jung Ho-chul (6 episodes)

as Park Jae-geun (2 episodes)

as Kim Kyung-wook (16 episodes)

as Omura

as Dr. Goo

as Lim Jae-seok (3 episodes)

as Tadashi Sakuma

as Wada

as Voice Phishing

as Nam Ki-tae (5 episodes)

as Bang Jung-hwan

as Japanese Detective

as Kwang-ho

as Mak-gae

as Yamada

as Jo Hyun-pil

as Snack Cart