Pelakon Six Flying Dragons

Yoo Ah-in - Yi Bang-won (kemudiannya Raja Taejong)
- Nam Da-reum - Bang-won sewaktu muda
Kim Myung-min - Sambong, Jeong Do-jeon
Shin Se-kyung - Boon-yi
- Lee Re - Boon-yi sewaktu muda
- Yoon Yoo-sun - Boon-yi sewaktu tua (kameo)
Byun Yo-han - Ddang-sae, kemudiannya Lee Bang-Ji
- Yoon Chan-young - Ddang-sae sewaktu muda
Yoon Kyun-sang - Moo-hyul
- Baek Seung-hwan - Moo-hyul sewaktu muda
Chun Ho-jin - Yi Seong-gye, (kemudiannya Raja Taejo)

Jeong Yu-mi - Yeon-hee
- Park Si-eun - Yeon-hee sewaktu muda
Lee Ji-hoon - Heo Kang / Yi Shin-Jeok
Yoon Son-ha - Cho-young
Gong Seung-yeon - Min Da-gyung
Lee Cho-hee - Gap-boon
- Kwak Ji-hye - Gap-boon sewaktu muda
Park Hyuk-kwon - Gil Tae-mi/Gil Sun-mi
Park Sung-hoon - Gil Yoo
Seo Yi-sook - Myo-sang
Park Hae-soo - Yi Ji-ran
Min Sung-wook - Jo Young-kyu
Seo Dong-won - Yi Bang-gwa, (kemudiannya Raja Jeongjong)
Lee Jun-hyeok - Hong Dae-hong
Choi Jong-won - Yi In-gyeom
Jeon No-min - Hong In-bang
Han Sang-jin - Sami Jukryong
Han Ye-ri - Yoon-nang / Cheok Sa Gwang
Kim Ha-kyun - Baek Yoon
Heo Joon-seok - Dae-geun
Kim Eui-sung - Poeun Jeong Mong-ju
Lee Seung-hyo - Yi Bang-woo, (kemudiannya Putera Agung Jinan)
Gong Seung-yeon - Min Da-kyung, (kemudiannya Ratu Wongyeong)
Kim Hee-jung - Puan Kang, (kemudiannya Ratu Sindeok)
Jo Hee-bong - Hojeong Ha Ryun
Jo Young-jin - Min Je
Ahn Suk-hwan - Cikgu Yooksan
Jeon Guk-hwan - Choe Yeong
Choi Jong-hwan - Jo Min-soo
Kang Shin-hyo - Yi Bang-gan, (kemudiannya Putera Agung Hwoean)
- Kim Sang-woo - Yi Bang-gan sewaktu muda
Jung Jae-min - Yi Bang-ui sewaktu muda, (kemudiannya Putera Agung Ikan)
Ahn Gil-kang - Jo So-saeng
Lee Myeong-Haeng - Jo Jun
Yoon Seo-hyun - Woo Hak-joo
Jung Moon-sung - Han Goo-young
Seo Hyun-chul - Jang Sam-bong
Jeon Mi-seon - Gannan/Yeon-hyang
Jung Doo-hong - Hong Ryun

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