character - Gyu-sang

character - Principal

character - Kim Jae-yeol

character - Mayor of Seoul

character - Lee Young-ho

character - Kim Deok-bae

character - Professor Oh

character - CEO Hwang

character - Kim Gye-Hee

character - Mr. Hong

character - Man-gi

character - Jjak-kwi

character - Park Jin-Woo

character - So-pal

character - Jo Suk's Father

character - Song Kyeong-soo

character - Director Jang

character - Inspector Yang

character - Park Joong-Ho

character - Lee Myung-Deuk

character - Bong Pil's father

character - Jik Je-hak

character - Lee Kyu-chul

character - Yoon Jung-Gun

character - Judge

character - Sam-gwan's Uncle

character - Corrupt Official

character - Kwon Hyun-seob

character - Lee Myeong-han

character - Kang Ki-young

character - Guk Jang

character - Officer at National Police Agency

character - Detective

character - Ham Sung-hoon

character - Judge

character - Gang Woo-sik

character - Sung-chan

character - President Kang

character - Won Joo-bong

character - Shaman

character - Woon Jeon-soo

character - Hyun-jung's father

character - Seong-chan

character - Ban Chang-ho

character - Detective Squad Chief

character - Jang Nak-young

character - Jjak-gwi

character - Woon-sik

character - Detective Jo

character - (uncredited)

character - Chief Police at Police Substation

character - Teacher (seg. 1)

character - Rest Area Dealer

character - Chal-kil