Dad, why is it hard for me to fall in love?

Kim Seon-a

Kim Sam Sun

Hyun Bin

Hyun Jin Heon

Jung Ryeo-won

Yoo Hui Jin

Daniel Henney

Dr. Henry Kim

Kim Ja-ok

Park Bong Suk (Sam Sun's mother)

Lee Ah-hyeon

Kim I Yeong

Na Moon-hee

Na Heyon Suk (Jin Heon's mother)

Lee Kyu-han

Min Heyon U

Lee Yoon-mi

Jang Chae Ri

Yeo Un-gye

Ms. O (Manager)

Kwon Hae-hyo

Lee Hyeon Mu (Chef)

Ahn Mi-na

Lee In Hye

Seo Ji-hee

Hyun Mi Ju (Jin Heon's niece)

Yoon Ye-hee

Yun Hyeon Suk (Jin Heon's aunt)

Maeng Bong-hak

Sam Sun's father

Kim Nam-gil

Kim Byeong Tae

Kim Ki-bang

Gi Bang (Cook)

Jeon Il-beom

Sam Sun's blind date