황태자의 첫사랑

Cha Tae-hyun

Choi Gun-hee

성유리

Kim Yu-bin

Lee Deok-hwa

President Choi Eun-chul

유채영

Han Sarah

Lee Ki-young

Kang Ji-hoon/Kevin

진재영

Lee Hae-mi

Chang Mi-hee

Cha Mi-hee

Kim Chang-wan

Yu-bin's father

Kwon Ki-sun

Yu-bin's mother

Kim Nam-jin

Cha Seung-hyun

김영준

Jennifer Lee

Shin Ye-seo