Directed by
| Lee Joon-ik | ... | (as Joon-ik Lee) |
Writing Credits (in alphabetical order)
| Seok-Hwan Choi | ... | (writer) |
| Cheol-Hyeon Jo | ... | (writer) |
Cast (in credits order)
| Park Joong-hoon | ... | Kye-baek (as Joong-Hoon Park) | |
| Jung Jin-young | ... | Kim Yoo-sin (as Jin-yeong Jeong) | |
 |
Ji-myeong Oh | ... | Ui-ja Wang |
| Kim Seon-a | ... | Gyebaek's Wife | |
| Lee Mun-shik | ... | Thingamajig (as Mun-shik Lee) | |
| Ryu Seung-su | ... | Kim In-moon (as Seung-su Ryu) | |
| Lee Won-jong | ... | Yeon-kae-so-moon (as Won-jong Lee) | |
| Rest of cast listed alphabetically: | |||
| Go Gyu-pil | ... | Baekje Prince 7 | |
| Jung Hae-kyun | ... | Decoder for Shilla (as Hae-Kyun Jung) | |
|
|
Na Hae-ryung | ... | Gyebaek's Eldest Daughter (as Hae-Ryung Na) |
| Woo Hyeon | ... | Baekje Owner | |
| Shin Hyeon-jun | ... | Mole 2 (as Hyeon-jun Shin) | |
| Shin Jeong-geun | ... | Kim Heum-Soon | |
|
|
Tae-hun Kim | ... | Self - Baekje soldier 6 |
|
|
Yang-hoon Kim | ||
| Kim Sang-won | ... | Silla Soldier 5 / Cuckoo 1 | |
| Kim Seung-woo | ... | Mole 1 (as Seung-woo Kim) | |
Produced by
| Lee Joon-ik | ... | co-producer (as Joon-ik Lee) |
Music by
| Seok-jun Oh | ||
Cinematography by
| Gil-woong Ji | ||
Editing by
| Kim Jae-beom | ... | (as Jae-beom Kim) |
Second Unit Director or Assistant Director
| Sang-min Jeong | ... | assistant director |
Visual Effects by
| Tae-hoon Kim | ... | visual effects supervisor |
| Tae-hun Kim | ... | visual effects supervisor |
Additional Crew
| Ji-na Kang | ... | trailer editor (as Kang Jin-a) |
