- Choi Seung-hyun
- Ri Myung-hoon / Kang Dae-ho
- Han Ye-ri
- Lee Hye-in
- Yun Je-mun
- Cha Jung-min
- Jo Sung-ha
- Moon Sang-chul
- Kim Yoo-jung
- Ri Hye-in
- Jeong Ho-bin
- Big Dipper
- Lee Joo Shil
- Hwang Jeong-sook
- Kim Sun-kyung
- Head's Wife
- Kwak Min-seok
- Butler Kim
- Park Ji-il
- South Korean Agent
- Lee Sin-Seong
- Dong-Seob
- Kim Min-jae
- Glasses
- Yun-min Jeong
- Scar
- Ik-Hoon Jyeok
- Homeroom Teacher
- Gwang-jae Seo
- Science Teacher
- Um Tae-goo
- Ilgin Leader
- Dong-Heon Yeom
- Ilgin Leader's Friend
- Jeong-Hoon Seo
- Iljin Gang Member 1
- Se-jeong Hwang
- Iljin Gang Member 2
- Young-Beom Jo
- Iljin Gang Member 3
- Jung Doo-kyum
- Government Administration Director
- Jung Gi-sub
- South Korea NIS Commander
- Hak Seon
- National Intelligence Service Agent
- Soo-rin Chae
- NIS Consultant
- Kim Dong-gon
- Police Officer
- Park Sang-gyu
- Foreign Head of a Department
- Yu Ha-bok
- North Korean Official
- Park Kil-soo
- Lottery Room
- Jin Yong-wook
- Baker
- Park Yong
- Tailor
- Seo Dong-soo
- Boxing Ring Man
- Dae-yoon Jang
- Butcher
- Lee Han-sol
- Impression Man
- Jeong-Seop Kim
- Captain
- Jung-suk Kim
- Liaison
- Kim Heung-rae
- Liaison Guard Head of a Department
- Sang-jin Park
- Smoker
- Yoo Jae-myung
- Kim Seon-myeong
- Lee Sang-hee
- Plastic Man
- Kyeong-min Go
- Market Man
- Yang Hyun-mo
- North Korean Child
- Kim Yoo-ri
- Butcher Girl
- Hwang Yeon-hee
- North Korean Refugee Settlement Support Center Schoolmistress
- Seong-min Ahn
- North Korean Refugee Settlement Support Center Schoolteacher
- Kang Han-na
- Waffle Restaurant Part-Timer
- Eom Ok-ran
- Waffle Restaurant Client
- Bit Kang
- Young Myeong-hoon
- Song-i Han
- Dance School Student
- Yoo-jin Lee
- Dance School Student
- Ye-rim Lee
- Dance School Student
- Eun-Young Song
- Dance School Student
- Ah-rim Lee
- Dance School Student
- Bo-ram Kim
- Dance School Student
- Jung-soo Lee
- Dance School Student
- Shan-ah Cha
- Dance School Student
- Hyun-jung Lee
- Dance School Student
- Eun-bil Jo
- Dance School Student
- Da-rom Kim
- Dance School Student
- Mung-Song Kim
- Dance School Student
- Ju-in Byeog
- Dance School Student
- Do-il Park
- Dance School Student
- Mi-ji Lee
- Dance School Student
- Sang-im Lee
- Dance School Student
- Kim Eun-ji
- Dance School Student
- So-min Lee
- Dance School Student
- Jeong-min Oh
- National Intelligence Service Agent
- Jin-Seong Kim
- Rooftop Agent
- Hyeon-Jang Kim
- Glasses' Henchman 1
- Hyeok-soo Kim
- Glasses' Henchman 2
- Jun-seo Park
- Glasses' Henchman 3
- Kang Min-tae
- Glasses' Henchman 4
- Chan-Seong Jeong
- Liaison Bodyguard
- Hyeok-Seok Kwon
- Liaison Bodyguard
- Jeong Han-bin
- Unit 8 Faction
- Tai-Shan Won
- Unit 8 Faction
- Seong-Hyeon Nam
- Unit 8 Faction
- Hyeon-Deok Yoo
- Unit 8 Faction
- Wi-Sang Jo
- Unit 8 Faction
- Heum-wo Jo
- Unit 8 Faction
- Young-Joon Seo
- Unit 8 Faction
- Hyang-bae Kim
- Unit 8 Faction
- Seon-hee Kim
- Unit 8 Faction
- Young-mok Jang
- Unit 8 Faction
- Deok-soo Chang
- Unit 8 Faction
- Dae-gi Park
- Unit 8 Faction
- Yeom-ah Nam
- Refugee
- Soo-jin Lee
- Refugee
- Hyun-Sook Kim
- Refugee
- Yeo-mi Wo
- Refugee
- Young-mi Woo
- Refugee
- Kwon Gi-ha
- Refugee
- Kim Seok-joo
- Refugee
- Seong-yong Kim
- Refugee
- Gih-Yeok Ryu
- Refugee
- Seung-gyu Min
- Head
- Gang-yu Ko
- Middle-aged Man
- In-ho Kim
- Middle-aged Man
- Hyeon-tae Jeong
- Bus Student
- Sun-Beom Lee
- Bus Student
- Lae Hyeon
- Bus Student
- Hong-Seon Lee
- Pharmacy Man
- Won-jun Bae
- Pharmacy Man
- Seo Eun-ah
- Dance School Colleague
- Min-woo Kim
- Dance School Reception Desk
- Woo-Seok Kang
- Dance School Reception Desk
- Jin-Chan Heo
- Parcel Service Driver
- Joon-heu Ja
- North Korean Child
- Joon-su Lee
- Little Brother
- Ye-eun Lee
- Little Sister
- Byeong-woo Im
- Voice
- Han-Sung Hang
- Voice
- Seung-Yeon Jang
- Voice
- Kim Jin-woo
- Voice
- Min-Hong Seok
- Voice
- Jeong-pil Kim
- Voice
- Dae-kon Jeong
- Voice
- Kim-sol
- Voice
- Do-Yeon Jeon
- Voice
- Dong Hyeon-bae
- Troubled kid's friend
- Lim Jeong-Ok
- Supermarket owner
- Tristen Kim
- Front Desk Clerk
- Park Sung-woong
- Myung-hoon's Father
