- Ma Dong-seok
- Nam-san
- Roh Jeong-eui
- Han Su-na
- Jang Young-nam
- Teacher
- Jung Young-joo
- Jewelry Woman
- Earl Baylon
- Nam-san
- Hao Feng
- Eunpaljji
- Lee Hee-joon
- Yang Gi-soo
- Lee Jun-young
- Choi Ji-wan
- Andrew Grace
- Sergeant Kwon Ji-hoon
- June Angela
- Yeon-su
- Kim Young-sun
- Lee Joo-ye's Mother
- Kim Byung-cheol
- Kim Hak-yong's Father
- Hwang Youn-hee
- Water Filtration Worker
- Choi Dong-goo
- Eunpaljji
- Liz Burnette
- Teacher
- Kim Young-ah
- Senior Researcher
- Sung Byoung-sook
- Yeon-su
- Park Ji-hoon
- Sergeant Kwon Ji-hoon
- Ahn Ji-hye
- Lee Eun-ho
- Baek Seung-chul
- Water Filtration Worker
- Won Choon-gyu
- Apartment Resident
- Jung Gi-sub
- Lee Joo-ye's Father
- Lee Sung-woo
- Pung-gi
- Park Sang-hoon
- Assistant Manager Choi
- Ahn Seong-bong
- Assistant Manager Oh
- Lee Han-joo
- Lee Joo-ye
- Kim Tae-hoon
- Apartment Sentry
- Park Hyo-joon
- Tiger
- Kil Eun-sung
- Apartment Soldier
- Yoo Dam-yeon
- Kim Hak-yong's Mother
- Song Chae-bin
- So-yeon
- Hong Yi-joo
- Parent
- Shin Sung-Il
- Parent
- Sin Sin-beom
- Grandfather
