Pemeran Su Ji & U Ri

Ham Eun Jung

as Jin Soo Ji / Jin Soo Kyung

Pemeran Utama

Baek Sung Hyun

as Chae U Ri

Pemeran Utama

Oh Hyun Kyung

as Oh Seon Young

Pemeran Utama

Kang Byul

as Jin Na Young / Oh Na Young

Pemeran Utama

Shin Jung Yoon

as Han Hyun Sung

Pemeran Utama

Sunwoo Jae Duk

as Han Jin Tae ['Haedeul Hospital' director]

Pemeran Pembantu

Kim Hee Jung

as Kim Ma Ri [Jin Tae's wife]

Pemeran Pembantu

Yoon Da Hoon

as Jin Jang Su [Soo Ji and Na Young's father]

Pemeran Pembantu

Jo Mi Ryung

as Jang Yun Ja [Soo Ji's stepmother]

Pemeran Pembantu

Seo Kwon Soon

as Park Bok Sun [Soo Ji's grandmother]

Pemeran Pembantu

Im Ho

as Kang Woo Chang [Farmer]

Pemeran Pembantu

Lee Sang Sook

as Kang Jung Soon [Woo Chang's older sister]

Pemeran Pembantu

Song Ye Bin

as Chae Doo Ri [Woo Ri's sister]

Pemeran Pembantu

Yoon Chae Na

as Jo Ah Ra

Pemeran Pembantu

Kim Kwang Young

as Mo Young Soo ['Haedeul Hospital' chief of psychiatry]

Pemeran Pembantu

Lee Si Young

as Yoon Ga Rim ['Haedeul Hospital' nurse]

Pemeran Pembantu

Kim Young Hoon

as Ahn Soo Bin ['Haedeul Hspital' assistant nurse]

Pemeran Pembantu

Jung Tae Ryung

as Kim Joo Hee

Pemeran Pembantu

Kim Ha Rin

as Seo Ji Young [Ma Ri's assistant]

Pemeran Pembantu

Kim Su A

as Yeon Ji [Teacher]

Pemeran Pembantu

Kim Jong Hun

as Jin Do Young

Pemeran Pembantu

Kim Jong Hun

as Jin Do Yeong [Su Ji's stepbrother]

Pemeran Pembantu

Kim Duk Hyun

as [Chief director] (Ep. 1, 5, 13, 18-19, 24, 29)

Bintang Tamu

Han Se Jin

as Ban Jin Ho [Rookie rapper] (Ep. 2)

Bintang Tamu

Lee Ju Eun

as Son Ji Na [Announcer] (Ep. 5, 13)

Bintang Tamu

Jung Dong Gyu

as Assemblyman Min (Ep. 9)

Bintang Tamu

Yoo Ji Yeon

as Choi Ha Yeong [Mother of Soo Ji's patient] (Ep. 24, 49)

Bintang Tamu

Shim Ji Yoo

as Ji U [Orphanage girl] (Ep. 126-127)

Bintang Tamu

Han Seo Hee

as Jin Soo Ji / Jin Soo Kyung [Child]

Bintang Tamu

Kim Se A

as Jin Na Yeong / O Na Yeong [Child]

Bintang Tamu

Jeon Cho Bin

as [Ah Ra's biological mother]

Bintang Tamu

Ahn Hong Jin

as [Yoon Ja's ex-husband / Na Young's biological father]

Bintang Tamu

Kang Myoung Soo

as [Hospital admin chief]

Bintang Tamu

Choi In Hee

Composer

Park Ki Hyun

Sutradara

Kim Sang Hwi

Planning Producer

Nam Sun Hye

Screenwriter