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정진영 as Kim Yu-sin |
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박중훈 as Gye-baek |
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이문식 as Thingamajig |
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Lee Won-jong as Yeon Gaesomun |
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Kim Byeong-cheol as Shilla spy |
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김선아 as Gyebaek's wife (cameo) |
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류승수 as Kim In Moon |
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김승우 as Mole 1 |
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Woo Hyun as Owner |
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Kim Sang-won as Silla Soldier 5 / Cuckoo 1 |
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신현준 as Mole 2 |
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Ko Kyu-phil as Baekje Prince 7 |
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신정근 as Kim Heum-soon |
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나해령 as Gyebaek's Eldest Daughter |
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정해균 as Cipher Officer |
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이상훈 as Soldier |
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김광식 as Baekje Soldier |
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양진우 as Gwan-chang |
| Costume & Make-Up | Oh Seok Jun | Costume Design |
| Lighting | Han Ki-eop | Lighting Director |
| Directing | Lee Joon-ik | Director |
| Camera | Ji Gil-woong | Director of Photography |
| Writing | 조철현 | Writer |
| Production | 조철현 | Producer |
| Production | 오승현 | Producer |
| Production | Lee Joon-ik | Producer |
| Art | Kang Seung-yong | Production Design |
| Sound | Lee In-gyu | Sound Designer |
| Costume & Make-Up | Cha Sun-young | Costume Design |
| Writing | 최석환 | Writer |
| Crew | 전겸수 | Stunts |
