Pemeran My Heart Twinkle Twinkle

Jang Shin Young

as Lee Soon Jin

Pemeran Utama

Bae Soo Bin

as Cheon Woon Tak

Pemeran Utama

Nam Bo Ra

as Lee Soon Jung

Pemeran Utama

Lee Tae Im

as Lee Soon Soo

Pemeran Utama

Lee Pil Mo

as Jang Soon Chil

Pemeran Pembantu

Oh Chang Seok

as Cha Do Hoon

Pemeran Pembantu

Son Eun Seo

as Cheon Geum Bi

Pemeran Pembantu

Ha Jae Sook

as Cheon Eun Bi

Pemeran Pembantu

Jung Ae Ri

as Kang Sung Suk

Pemeran Pembantu

Jung Eun Woo

as Koo Gwan Mo

Pemeran Pembantu

Yoon Da Hoon

as Pyo Seung Joo

Pemeran Pembantu

Lee Deok Hwa

as Lee Jin Sam

Pemeran Pembantu

Yoon Mi Ra

as Lee Mal Sook

Pemeran Pembantu

Geum Bo Ra

as Hwang Mi Ja

Pemeran Pembantu

Jo Seung Hyun

as Min Ho

Pemeran Pembantu

Han Seung Won

as Hyung Shik

Pemeran Pembantu

Shin Rin Ah

as Soon Jung [Young]

Pemeran Pembantu

Kim Kyung Ryong

as Director Park

Pemeran Pembantu

Yang Hee Kyung

as [Restaurant Owner Kong]

Pemeran Pembantu

Dong Ha

as Sun Ho

Pemeran Pembantu

Kim Ha Kyun

as Director Shin

Pemeran Pembantu

Cha Su Yeon

as Cha Hye Rin

Pemeran Pembantu

Lee Eun Hee

as Assistant Jang

Pemeran Pembantu

Kim Dong Hyun

as Cha Seok Nam

Pemeran Pembantu

Im Hyun Shik

as Soon Dol

Pemeran Pembantu

Do Ki Suk

as Park Yong Sik

Pemeran Pembantu

Jung Kyu Soo

as Han Yeong Pyo

Pemeran Pembantu

Kim Ki Cheon

as Principal of Gyeongsan Girls High School

Pemeran Pembantu

Kim Min Young

as Kyeong Ja

Pemeran Pembantu

Kwon Hae Hyo

as Dal Gwan

Pemeran Pembantu

Lee Hyo Jung

as Kang Jin Oh

Pemeran Pembantu

Lee Seung Hyung

as Jo Jin Woo

Pemeran Pembantu

Kim Il Woo

as Yeong Soo

Pemeran Pembantu

Kim Hak Chul

as Cheon Gi Beom

Pemeran Pembantu

Park Joo Yong

Bintang Tamu

Kim Seon Gyeong

as [Nurse]

Bintang Tamu

Kim Hyo Myung

as [Delivery man]

Bintang Tamu

Lee Young Eun

as Lee Soo Jin {Young}

Bintang Tamu

Seo Dong Won

Bintang Tamu

Heo Jung Eun

as Lee Soon Soo {Young}

Bintang Tamu

Choi Sun Ja

as Chicken Restaurant Owner

Bintang Tamu

Moon Hee Kyung

as [Music professor]

Bintang Tamu

Kim Young Hee

as [Commissioner's wife] (Ep 17,18)

Bintang Tamu

Yeom Dong Hun

as [Restaurant Owner Kong's Husband]

Bintang Tamu

Kim Yu Jin

Sutradara

Jo Jung Seon

Screenwriter