Dr. Romantic

Han Suk-kyu

Teacher Kim / Bu Yong-ju

Lee Sung-kyung

Cha Eun-jae

Ahn Hyo-seop

Seo U-jin

Jin Kyung

Oh Myeong-sim

Im Won-hee

Jang Gi-tae

Byun Woo-min

Nam Do-il

Kim Min-jae

Park Eun-tak

Lee Kyung-young

Cha Jin-man

Yoon Na-moo

Jeong In-su

Kim Ju-hun

Park Min-guk

Shin Dong-wook

Bae Mun-jeong

So Joo-yeon

Yoon A-reum