Four unlikely assassins question their assignments because they genuinely care about their customers and victims. However, they attract police attention and a prosecutor is on their trail.
| Actor | Role |
|---|---|
 Shin Hyun-junSang-yeon | Sang-yeon |
 Jung Jae-youngJae-young | Jae-young |
 Shin Ha-kyunJung-woo | Jung-woo |
 Won BinHa-yun | Ha-yun |
 Jung Jin-youngInspector Cho | Inspector Cho |
 Oh Seung-hyunHwa-yi | Hwa-yi |
 Gong Hyo-jinYeo-wol | Yeo-wol |
 Go Eun-miOh Young-ran | Oh Young-ran |
 Jeong Gyu-suChief Kim | Chief Kim |
 Kim Hak-cheolDirector Choi | Director Choi |
 Yun Ju-sangMr. Ju | Mr. Ju |
 Son Hyun-jooTak Mun-bae | Tak Mun-bae |
 Jo Deok-hyeonHenchman | Henchman |
| MMin Yun-jeongJin Hyang-sa | Jin Hyang-sa |
 Lim Seung-daeHwa-yi's lover | Hwa-yi's lover |
| LLee Ha-raSecretary | Secretary |
| KKim Il-woongBenz Man | Benz Man |
 Ryoo Seung-bumBiker | Biker |
 Im Won-heePriest | Priest |
 Shim Eun-kyungLittle Girl with Toy Bunny | Little Girl with Toy Bunny |
| KKim Chun-sikAgent | Agent |
 Jang JinClient | Client |