Choi Dae-hoon

Yi Seon

Park Se-gyu

Seo Min-hyuk, a royal prosecutor in the legal world who wants what he likes.

Noh Seung-hwan

A reporter for a badminton magazine

Park Jeong-je Choi Chan-ho as young Park Jeong-je

Ryoo Seong-jae, Yoon-soo's fiancé, a policy advisor at the Office of Education.

Park Sung-jae

Lee Woo-cheol, leader of Homicide Investigation Team

Yoon Se-jun

Suk Kwan-dong Campaign manager and assistant to Oh-joo. From Kisung, he went to Seoul to start his own gang, but was forced to return. He is not afraid to resort to force and even murder to get his way. Since being given a second chance by Oh-joo after his return, he has carried out his orders. His first loyalty, however, is to money and any method by which he can acquire it.

Goo Dong-joon

Detective Hwang

Sagok Jo Mal-saeng (ko)

Baek Jae-hyuk