Cast & crew
Heartbeat (2011)
Directed by Yoon Jae-geun Written by Yoon Jae-geun
Cast
| Yunjin Kim | Chae |
| Park Hae-il | Hwi |
| Kang Hae-In | Se-joo |
| Lee Seung-joon | Moon |
| Koh Woo-ri | Board Member |
| Kim Sang-ho | Jo Hunt |
| Kang Shin-il | Choi |
| Ju Jin-mo | President Lindberg |
| Jung Da-hye | Ki-soo |
| Park Ha-young | Chae |
| Ahn Ji-hye | Bubba's Mother |
| Jo Min-ah | Min-gyu |
| Baek Do-kyeom | Unis Kim |
| Yunjin Kim | Chae Yeon-hee |
| Park Hae-il | Lee Hwi-do |
| Kang Hae-In | Hyun-joo |
| Lee Seung-joon | Teacher Moon |
| Koh Woo-ri | Girl Group Member |
| Kim Sang-ho | Team Leader Jo |
| Kang Shin-il | Director Choi |
| Ju Jin-mo | President Kang |
| Jung Da-hye | Na Soo-young |
| Park Ha-young | Chae Ye-eun |
| Ahn Ji-hye | Min Seo's mother |
| Jo Min-ah | Min Seo |
| Baek Do-kyeom | Manager Kim |
| Heo Hyeon-hwa | Yoon-ji's Mom |
Crew
| Lee Sang-ha | Stunts |
| Yu Yeong-jong | Lighting Director |
| Kim Jin-chul | Production Design |
| Kim Hyeong-seok | Assistant Director |
| Jeon Jin-won | Production Design |
| Kim Mi-mi | Boom Operator |
| Cha Sun-young | Costume Design |
| Yoon Jae-geun | Director |
| Park Young-sik | Martial Arts Choreographer |
| Choi Chan-min | Director of Photography |
| Yoon Hong-jun | Production Manager |
| Sin Jae-myeong | Fight Choreographer |
| Yoon Jae-geun | Writer |
| Kim Hyeong-seok | Assistant Director |
| Yu Yeong-jong | Lighting Director |
| Jeon Jin-won | Production Design |
| Kim Mi-mi | Boom Operator |
| Cha Sun-young | Costume Design |
| Yoon Jae-geun | Director |
| Lee Sang-ha | Stunts |
| Park Young-sik | Martial Arts Choreographer |
| Choi Chan-min | Director of Photography |
| Yoon Hong-jun | Production Manager |
| Sin Jae-myeong | Fight Choreographer |
| Kim Jin-chul | Production Design |
| Changsuk Yun | Line Producer |
| Yoon Jae-geun | Writer |