cast
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Park Si-hoo
Kim Seung Yoo
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Moon Chae-won
Lee Se Ryung
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Hong Soo-hyun
Princess Kyung Hye
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Song Jong-ho
Shin Myeon
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Lee Min-woo
Jeong Jong
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Lee Soon-jae
Kim Jong Seo
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Kim Yeong-cheol
Prince Suyang
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Uhm Hyo-seop
Yi Gae, Seung-yoo, Jong and Myeon's former teacher
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Kim Yoo-bin
Kim Ah-kang
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Choi Moo-seong
Ham-gwi
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Choi Han-bit
Moo-yeong
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Cha Min-jee
Yeo-ri
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Lee Hyo-jeong
Shin Sook-joo
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Ban So-young
Eun Geum [Lady-in-waiting]