Jinyoung

as Crown Prince Lee Hyang (1 episode)

as Kim Tae-woong / Hideo Sato (16 episodes)

as Yeon Tae-oh (10 episodes)

as Young Seo Yeongchun

as Lee Ho-su (12 episodes)

as Self (1 episode)

as Lee Dong-jin (10 episodes)

as Yoo Tae-young (2 episodes)

as Self (1 episode)

as Self (1 episode)

as Joo Il-woo / Joo Wol-woo

as Shin Gyeong-min (2 episodes)

as Prince Bari (voice)

as Jinyoung (17 episodes)

as Jung-dae

as Guest (1 episode)

as Yoo Ba-bi (28 episodes)

as Kim Ga-on (16 episodes)

as Self (2 episodes)

as Guest (1 episode)

as Young Han Jae Hyun (16 episodes)

as Himself

as Jinyoung

as Jang Woo-shin (1 episode)

as Self (2 episodes)