Jung Jin-young
Kim Yu-sin
Acting
Park Joong-hoon
Gye-baek
Acting
Lee Moon-sik
Thingamajig
Acting
Lee Won-jong
Yeon Gaesomun
Acting
Kim Byung-chul
Shilla spy
Acting
Kim Seon-a
Gyebaek's wife (cameo)
Acting
Ryu Seung-su
Kim In Moon
Acting
Kim Seung-woo
Mole 1
Acting
Woo Hyeon
Owner
Acting
Kim Sang-won
Silla Soldier 5 / Cuckoo 1
Acting
Shin Hyun-joon
Mole 2
Acting
Go Gyu-pil
Baekje Prince 7
Acting
Shin Jung-keun
Kim Heum-soon
Acting
Na Hae-ryung
Gyebaek's Eldest Daughter
Acting
Jung Hae-kyun
cipher officer
Acting
Lee Sang-hun
Soldier
Acting
Kim Kwang-shik
[Baekje soldier #2]
Acting