- Hwang Jung-min
- Lee Gang-ok
- So Ji-seob
- Choi Chil-sung
- Song Joong-ki
- Park Mu-young
- Lee Jung-hyun
- Mallyon
- Kim Su-an
- So-hee
- Lee Kyoung-young
- Yoon Kyung-ho
- Lee Jeong-eun
- Chief's wife
- Jeon Ah-hee
- School uniform student's family
- Lee Ah-In
- Female student
- Jon Allen
- Song Jong-Gu
- Tommy Arciniega
- Oh Jang-Woo
- Greg Chun
- Lee Gang-ok
- Kang Deok-Joong
- Locksmith who made the key
- Na Do-yool
- Joseon draftee
- Kwon Han-sol
- Joseon girl
- Yang Hee-Woo
- Hashima Labor Clerk
- Lee Joon-hyuk
- Draftee
- Yoon Jung-wook
- Joseon laborer
- Kim Kyu-baek
- Joseon draftee
- Jo Kyung-hyun
- Digging driver 2
- Jordan Reynolds
- Additional Voices
- Bill Rogers
- Ko Choong-Ho
- Jung Se-hoon
- Japanese student
- Park Seong-il
- Trumpet player
- Shin Seung-hwan
- Ko Choong-Ho
- Jang Woo-Jin
- Joseon (Korean) draftees
- Kim Ye-eun
- 'Bright Moon' Gisaeng
