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

Yoon Na-moo

Jeong In-su

Kim Ju-hun

Park Min-guk

Shin Dong-wook

Bae Mun-jeong

So Joo-yeon

Yoon A-reum

Ko Sang-ho

Yang Ho-jun

Yoon Bo-ra

Ju Young-mi

Yoo Yeon-seok

Gang Dong-ju

Seo Hyun-jin

Yun Seo-jeong

Park Hyo-ju

Shim Hye-jin

Bae Myeong-jin

Heo Young-gyu

Lee Kyung-young

Cha Jin-man

Choi Jin-ho

Do Yun-wan

Lee Hong-nae

Lee Seon-ung