- Kim Seung-woo
- Heo Bong-gu
- Cha Seung-won
- Yang Chul-gon
- Park Yeong-gyu
- Park Yeong-gab
- Kang Seong-jin
- Kim Bum-soo
- Lee Mun-shik
- (as Mun-shik Lee)
- Yoo Hae-jin
- (as Hae-jin Yoo)
- Jang Hang-jun
- (as Hang-jun Kang)
- Lim Hyeong-jun
- (as Hyeong-jun Lim)
- Jang Hyun-sung
- Kwang-pil
- Sung Ji-ru
- (as Ji-ru Sung)
- In-mun Kim
- Bon-gu's father
- Nam Moon-cheol
- Senior executive
- Kim Sun-kyung
- (as Sun-kyung Kim)
