Characters played by Lee Bo-young
Shin Young-joo
Characters played by Sang-yoon Lee
Lee Dong-joon
Characters played by Kim Kap-su
Choi Il-hwan
Characters played by Park Se-young
Choi Soo-yeon
Characters played by Kwon Yul
Kang Jung-il
Characters played by Kang Shin-il
Shin Chang-ho
Characters played by Jeon Gook-hwan
Jang Hyun-guk (Chief Justice of Supreme Court)
Characters played by Kim Hyung-mook
Song Tae-gon
Characters played by Eum Moon Suk
Baek Sang Goo's subordinate
Characters played by Kim Hae-sook
Kim Sook-hee (2017)
Characters played by Jae-Ho Heo
Noh Ki-yong (2017)
Characters played by Lee Hyun-Jin
Park Hyun-soo (2017)
Characters played by Dal-hwan Jo
Jo Kyung-ho (2017)
Characters played by Yee-Yeon Jung
Jo Yeon-hwa (2017)
Characters played by Chang-hwan Kim
Lee Ho-bum (2017)
Characters played by Hong-pa Kim
Kang Yoo-taek (2017)
Characters played by Roe-ha Kim
Baek Sang-goo (2017)
Characters played by Hee-kyung Moon
Yoon Jung-ok (2017)
Characters played by Joo-Hee Yoon
Hwang Bo-yeon (2017)
Characters played by Jae-Hyun Cho
Lee Tae-Joon
Characters played by Seo Ji-hye
Choi Yeon-Jin