Trailer
Images
 | Yu Oh-seong as Joon-seok |
 | Jang Dong-gun as Dong-soo |
 | Seo Tae-hwa as Sang-taek |
 | Jung Woon-taek as Jeong-ho |
 | Kim Bo-kyung as Jin-sook |
 | Ki Joo-bong as Mustache |
 | Joo Hyun as Joon-seok's Father |
 | Jeon Young-woon as Dong-soo's Father |
 | Lee Jae-yong as Scar-Eye |
 | Kim Hyun-ji as Tall Woman |
| Yoo Seung-il as Child Joon-seok |
| Jeong Hee-ryong as Child Dong-soo |
| Kim Joon-beom as Child Sang-taek |
| Kim Seong-bok as Child Joong-ho |
 | Kang Shin-il as Sang-taek's Father |
 | Kwon Nam-hee as Sang-taek's Mother |
| Park Nam-hee as Joon-seok's Mother |
| Lee Eun-joo as Sin-ae |
 | Kim Jung-tae as Doruko |
| Yoo Byeong-seok as Small Guy |
| Kim Gi-yong as Jjang-ga |
 | Jung Ho-bin as Eun-gi |
| Yang Joong-kyung as English Teacher |
 | Kim Kwang-kyu as Math Teacher |
| Kim Gi-ho as Cowardly Gangster |
 | Hong Seok-yeon as Security Guard |
| Ahn Chang-gook as Man with Gold-framed Glasses |
| Jo Yong-won as Beauty |
| Kim Hoon as Doruko's Henchman |
| Jo Soo-jin as Member of Rainbow |
 | Lee Se-na as Member of Rainbow |
 | Kim Hyun-sook as Member of 7 Princess |
| Jang Gi-hoon as Small Guy's Mob |
| Kim Yeong-heon as Joon-seok's Driver |
| Seo Byeong-do as Vice President |
 | Kim Jun-hee as Trans |
| Park Hyo-jin as Theater Advertisement |
| Park Yong-chan as Buckle Student |
| Im Ji-moon as Triangle Student |
| Kim Tae-won as Gangster from the Trunk |
| Kim Seong-hwa as Arresting Policeman |
| Bae Won-yeong as MC Student |
| Lee Dong-wook as Student from the Shaolin Temple |
| Kim Po as Mustache's Henchman |
 | Ji Dae-han as Scar-Eye's Shadow |
| Cha Jin-ho as Bunting Student |
 | Kim Ji-hoon as Weekly Duty Student |
| Kim Moon-bin as Student |
 | Kim Jung-woon as Doruko's Younger Brother |
 | Kim Yun-tae as Dong-soo's Henchman |
 | Chang Yun as Dong-soo's Henchman |
| Moon Woon-bong as Dong-soo's Henchman |
| Son Byung-hee as Dong-soo's Henchman |
| Yang Ji-woong as Waiter |
| Lee Kyeong-ha as Bar Girl |
| Hwang Joo-hyeon as Bar Customer |
| Choi So-i as Female Employee |
 | Yoo Sang-seob as Jaws |
| Lee Ji-yeon as Female Employee at Wedding Hall |
| Sun Ho-jin as Young Man with Umbrella |
| Kim Jae-hyeon as High School Boy |
| Oh Seung-chan as Court Prosecutor |
| Jeong Jong-seop as Court Lawyer |
| Park Chan-young as Judge |
| Kim Sung-nyeo as Bus Conductor |
| Jo Joon-baek as Employee at Construction Site |
 | Cho Yong-won as Beauty |
| Directing | |
| Kwak Kyung-taek | Director |
Editing | |
| Park Gok-ji | Editor |
Writing | |
| Kwak Kyung-taek | Writer |
Sound | |
| Man-Sik Choi | Original Music Composer |
Art | |
| Oh Sang-man | Production Design |
Sound | |
| Choi Sun-shik | Original Music Composer |
Production | |
| Hyun Gyeong Lim | Producer |
Sound | |
| Oh Won-chol | Sound Supervisor |
Camera | |
| Hwang Ki-suk | Director of Photography |
Production | |
| Kim Dong-joo | Executive Producer |
Sound | |
| Lee In-gyu | Sound Designer |
Crew | |
| Sin Jae-myeong | Fight Choreographer |
Visual Effects | |
| Lee Jeong-su | Special Effects Supervisor |
Costume & Make-Up | |
| Ok Su-gyeong | Costume Design |
Lighting | |
| Shin Kyung-man | Lighting Director |
Crew | |
| Jun Kyoum-soo | Stunts |
