Directed by
| Dae-gyu Kang | ||
Writing Credits (in alphabetical order)
| Jang-Hoon Lee | ||
| Ju-Yeon Son | ||
Cast (in credits order)
| Sung Dong-il | ... | Park Doo-Suk | |
| Kim Hee-won | ... | Jong Bae | |
| Ha Ji-Won | ... | Lee Seung-Yi - Adult | |
| Park So-yi | ... | Lee Seung-Yi - Young | |
 |
Hong Seung-hee | ... | Lee Seung-Yi - Teen |
| Yunjin Kim | ... | Kang Ming-Ja | |
| Na Moon-hee | ... | Grandma | |
| Rest of cast listed alphabetically: | |||
| Lee Do-yeop | ... | Elementary school counselor | |
|
|
Park Eun-yeong | ... | Soup Restaurant Owner |
|
|
Yoon Jong-goo | ... | Factory Manager |
| Yoo Seong-ju | ... | Choi Man-Sik | |
| Yoo Soon-woong | ... | Byeong-dal | |
|
|
Seo Sung-gwang | ... | Busan Cop 1 |
| Lee Tae-hyung | ... | Chief of Staff Office | |
Produced by
| Gyeong-Sam Yuk | ... | producer |
Makeup Department
| Eun-Sook Kim | ... | makeup artist |
| Hee-Jung Park | ... | makeup artist |
Special Effects by
| Jang-pyo Hong | ... | special effects coordinator |
Stunts
| Yeong-Hoon Shin | ... | martial arts director |
| Young-hoon Shin | ... | action director |
Costume and Wardrobe Department
| Eun-Sook Kim | ... | wardrobe |
| Hee-Jung Park | ... | wardrobe |
