- ??? - Jung-seok's Sister
- Moon Woo-jin - Dong-hwan
- Hwang Yeon-hui - Taxi Woman
- Park Jong-beom - Mechanic
- Joey Albright - U.S. Army
- Cha Si-won - Hong Kong Man
- Pierce Conran - Reporter
- John D. Michaels - Evacuation Boat Captain
- Milan-Devi LaBrey - TV Show Host
- Christopher Gordon - UN Soldier
- Kim Tae-jun - Min-jung's Husband
- Lee Seung-jin - First Lieutenant
- Han Sung-soo - Zombie
- Seong Hyeok - Soldier
- Lee Se-rang - North Korean Anchor
- Kim Yeong-jo - 631 Soldier
- Choi Jeong-hyun - 631 Soldier
- Bae Seong-min - 631 Soldier
- Bella Rahim - Major Jane
- Geoffrey Giuliano - Hong Kong Boss
- Yoon Yeong-gyun - Soldier
- So Yun-Ho - Soldier of Unit 631
- Jeon Ah-hee - Zombie
- Ko Dong-hyoung - Crazy Driver
- Jeong Seung-uk - Soldier of Unit 631
- Nam Sang Woo - Zombie
- Han Hyeon-jik - Zombie
- Kim Woo-hyun - Sergeant Hwang's Soldier
- Park Sung-hyun - Sergeant Hwang's Soldier
- ???
- Min Hong-nam
- ???
- Ryu Yong-jae
- ???
- ???
- Jang Kyung-ik
- Kim Yeon-ho
- ???
- ??
- Kang Bong-sung
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