Riven

Park Si-hoo

as Kim Seung Yoo

Moon Chae-won

as Lee Se Ryung

Hong Soo-hyun

as Princess Kyung Hye

Song Jong-ho

as Shin Myeon

Lee Min-woo

as Jeong Jong

Lee Soon-jae

as Kim Jong Seo

Kim Yeong-cheol

as Prince Suyang

Uhm Hyo-seop

as Yi Gae, Seung-yoo, Jong and Myeon's former teacher

Kim Yoo-bin

as Kim Ah-kang

Choi Moo-seong

as Ham-gwi

Choi Han-bit

as Moo-yeong

Cha Min-jee

as Yeo-ri

Lee Hyo-jeong

as Shin Sook-joo

Kim Jung-min

Director

Park Hyeon-seok

Director

Jo Jung-joo

Writer

Kim Wook

Writer