Friend
VoltarElenco
유오성Joon-seok
장동건Dong-soo
서태화Sang-taek
정운택Jeong-ho
김보경Jin-sook
기주봉Mustache
주현Joon-seok's Father
전영운Dong-soo's Father
이재용Scar-Eye- 김현지Tall Woman
- Yoo Seung-ilChild Joon-seok
- Jeong Hee-ryongChild Dong-soo
- Kim Joon-beomChild Sang-taek
- Kim Seong-bokChild Joong-ho
강신일Sang-taek's Father
Kwon Nam-heeSang-taek's Mother- Park Nam-heeJoon-seok's Mother
- Lee Eun-jooSin-ae
김정태Doruko- Yoo Byeong-seokSmall Guy
- Kim Gi-yongJjang-ga
정호빈Eun-gi- Yang Joong-kyungEnglish Teacher
김광규Math Teacher- Kim Gi-hoCowardly Gangster
홍석연Security Guard- Ahn Chang-gookMan with Gold-framed Glasses
- Jo Yong-wonBeauty
- Kim HoonDoruko's Henchman
- Jo Soo-jinMember of Rainbow
Lee Se-naMember of Rainbow
김현숙Member of 7 Princess- Jang Gi-hoonSmall Guy's Mob
- Kim Yeong-heonJoon-seok's Driver
- Seo Byeong-doVice President
김준희Trans- Park Hyo-jinTheater Advertisement
- Park Yong-chanBuckle Student
- Im Ji-moonTriangle Student
- Kim Tae-wonGangster from the Trunk
- Kim Seong-hwaArresting Policeman
- Bae Won-yeongMC Student
- Lee Dong-wookStudent from the Shaolin Temple
- Kim PoMustache's Henchman
지대한Scar-Eye's Shadow- Cha Jin-hoBunting Student
- Kim Ji-hoon-VWeekly Duty Student
- Kim Moon-binStudent
Kim Jung-woonDoruko's Younger Brother
김윤태Dong-soo's Henchman- Chang YunDong-soo's Henchman
- Moon Woon-bongDong-soo's Henchman
- Son Byung-heeDong-soo's Henchman
- Yang Ji-woongWaiter
- Lee Kyeong-haBar Girl
- Hwang Joo-hyeonBar Customer
- Choi So-iFemale Employee
유상섭Jaws- Lee Ji-yeonFemale Employee at Wedding Hall
- Sun Ho-jinYoung Man with Umbrella
- Kim Jae-hyeonHigh School Boy
- Oh Seung-chanCourt Prosecutor
- Jeong Jong-seopCourt Lawyer
- Park Chan-youngJudge
- Kim Sung-nyeoBus Conductor
- Jo Joon-baekEmployee at Construction Site
