Seo Tae-hwa

as Park Jin-gi

as Choi Myung-hyun (8 episodes)

as Mok Joo-hong (4 episodes)

as Jang Min-sik

as Professor Jung

as Dong-Hyuk

as Lee Sung-ryeol

as Kim Dae Sung (18 episodes)

as Lee-hyuk (1 episode)

as Husband

as Do Shi Pyung (12 episodes)

as Prosecutor Jo

as 민석

as Tae-hwa

as Kang Ki Sup (125 episodes)

as Jung Yoon-soo (16 episodes)

as Choi Min-Woo (19 episodes)

as Gap-doo

as Choi Hyeong-do

as Sang-taek

as Hong-tak

as Saijune

as 3rd Year