- Hwang Jung-min
- Park Kang-moo
- Yum Jung-ah
- Kang Mi-seon
- Jeon Hye-jin
- Jang Hee-joo
- Dawn Anderson
- Baek Seon-woo
- Kim Chan-Hyung
- (as Kim Chan-Hyung)
- Yoon Dae-yeol
- Ma Chang-gi
- Lee Ga-kyung
- Dong-hyeok's mother
- Kim Joo-hun
- Joong-san
- Ha Jung-min
- Intelligence Service Communications agent #1
- Jolene Kim
- Jang Hee-Joo
- Kim Yoon-bae
- Constable #2
