박시후

Kim Seung Yoo

Moon Chae-won

Lee Se Ryung

홍수현

Princess Kyung Hye

송종호

Shin Myeon

이민우

Jeong Jong

이순재

Kim Jong Seo

Kim Yeong-cheol

Prince Suyang

Eom Hyo-seob

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

Kim Yoo-bin

Kim Ah-kang

최무성

Ham-gwi

Choi Han-bit

Moo-yeong

Cha Min-jee

Yeo-ri

이효정

Shin Sook-joo