Cast & crew
Friend (2001)
Directed by Kwak Kyung-taek Written by Kwak Kyung-taek
Cast
| Yu Oh-seong | Joon-seok |
| Seo Tae-hwa | Sang-taek |
| Kim Bo-kyung | Jin-sook |
| Jeon Young-woon | Dong-soo's Father |
| Kim Hyun-ji | Tall Woman |
| Jang Dong-gun | Dong-soo |
| Jung Woon-taek | Jeong-ho |
| Ki Joo-bong | Mustache |
| Joo Hyun | Joon-seok's Father |
| Lee Jae-yong | Scar-Eye |
| 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 |
| Lee Eun-joo | Sin-ae |
| Kim Jung-tae | Doruko |
| Kim Gi-yong | Jjang-ga |
| Yoo Byeong-seok | Small Guy |
| Kim Kwang-kyu | Math Teacher |
| Kim Gi-ho | Cowardly Gangster |
| Jung Ho-bin | Eun-gi |
| Hong Seok-yeon | Security Guard |
| Ahn Chang-gook | Man with Gold-framed Glasses |
| Jo Yong-won | Beauty |
| 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 |
| Kim Jun-hee | Trans |
| Park Hyo-jin | Theater Advertisement |
| Park Yong-chan | Buckle Student |
| Im Ji-moon | Triangle Student |
| Kim Seong-hwa | Arresting Policeman |
| Bae Won-yeong | MC Student |
| Kim Tae-won | Gangster from the Trunk |
| Lee Dong-wook | Student from the Shaolin Temple |
| Kim Po | Mustache's Henchman |
| Cha Jin-ho | Bunting Student |
| Kim Ji-hoon | Weekly Duty Student |
| Kim Moon-bin | Student |
| Kim Jung-woon | Doruko's Younger Brother |
| Ji Dae-han | Scar-Eye's Shadow |
| Moon Woon-bong | Dong-soo's Henchman |
| Chang Yun | Dong-soo's Henchman |
| Son Byung-hee | Dong-soo's Henchman |
| Yang Ji-woong | Waiter |
| Kim Yun-tae | Dong-soo's Henchman |
| Lee Kyeong-ha | Bar Girl |
| Hwang Joo-hyeon | Bar Customer |
| Choi So-i | Female Employee |
| Yoo Sang-seob | Jaws |
| 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 |
| Park Chan-young | Judge |
| Kim Sung-nyeo | Bus Conductor |
| Jo Joon-baek | Employee at Construction Site |
| Cho Yong-won | Beauty |
| Nam Ji-yeon | Member of 7 Princess |
| Yang Joong-kyung | English Teacher |
Crew
| Man-Sik Choi | Original Music Composer |
| Park Gok-ji | Editor |
| Choi Sun-shik | Original Music Composer |
| Kwak Kyung-taek | Director |
| Kwak Kyung-taek | Writer |
| Oh Sang-man | Production Design |
| Hyun Gyeong Lim | Producer |
| Hwang Ki-suk | Director of Photography |
| Oh Won-chol | Sound Supervisor |
| Kim Dong-joo | Executive Producer |
| Shin Kyung-man | Lighting Director |
| Lee Jeong-su | Special Effects Supervisor |
| Sin Jae-myeong | Fight Choreographer |
| Lee In-gyu | Sound Designer |
| Ok Su-gyeong | Costume Design |
| Jun Kyoum-soo | Stunts |
| Kim Jae-min | Special Effects Supervisor |