Joo Hyun
Joon-seok's Father
Jeon Young-woon
Dong-soo's Father
Yoo Seung-il
Child Joon-seok
Jeong Hee-ryong
Child Dong-soo
Kim Joon-beom
Child Sang-taek
Kim Seong-bok
Child Joong-ho
Kang Shin-il
Sang-taek's Father
Kwon Nam-hee
Sang-taek's Mother
Park Nam-hee
Joon-seok's Mother
Yang Joong-kyung
English Teacher
Kim Kwang-kyu
Math Teacher
Kim Gi-ho
Cowardly Gangster
Hong Seok-yeon
Security Guard
Ahn Chang-gook
Man with Gold-framed Glasses
Kim Hoon
Doruko's Henchman
Jo Soo-jin
Member of Rainbow
Lee Se-na
Member of Rainbow
Kim Hyun-sook
Member of 7 Princess
Jang Gi-hoon
Small Guy's Mob
Kim Yeong-heon
Joon-seok's Driver
Seo Byeong-do
Vice President
Park Hyo-jin
Theater Advertisement
Park Yong-chan
Buckle Student
Im Ji-moon
Triangle Student
Kim Tae-won
Gangster from the Trunk
Kim Seong-hwa
Arresting Policeman
Lee Dong-wook
Student from the Shaolin Temple
Kim Po
Mustache's Henchman
Ji Dae-han
Scar-Eye's Shadow
Cha Jin-ho
Bunting Student
Kim Ji-hoon-V
Weekly Duty Student
Kim Jung-woon
Doruko's Younger Brother
Kim Yun-tae
Dong-soo's Henchman
Chang Yun
Dong-soo's Henchman
Moon Woon-bong
Dong-soo's Henchman
Son Byung-hee
Dong-soo's Henchman
Hwang Joo-hyeon
Bar Customer
Lee Ji-yeon
Female Employee at Wedding Hall
Sun Ho-jin
Young Man with Umbrella
Kim Jae-hyeon
High School Boy
Oh Seung-chan
Court Prosecutor
Jeong Jong-seop
Court Lawyer
Kim Sung-nyeo
Bus Conductor
Jo Joon-baek
Employee at Construction Site