황태자의 첫사랑

차태현

— Choi Gun-hee

성유리

— Kim Yu-bin

이덕화

— President Choi Eun-chul

유채영

— Han Sarah

Lee Ki-young

— Kang Ji-hoon/Kevin

진재영

— Lee Hae-mi

장미희

— Cha Mi-hee

Kim Chang-wan

— Yu-bin's father

Kwon Ki-sun

— Yu-bin's mother

김남진

— Cha Seung-hyun

김영준

Jennifer Lee

— Shin Ye-seo