Pemeran DNA Lover

Choi Si Won (최시원)

as Sim Yeon U

Pemeran Utama

Jung In Sun

as Han So Jin

Pemeran Utama

Lee Tae Hwan

as Seo Gang Hun

Pemeran Utama

Jung Eugene

as Jang Mi Eun

Pemeran Utama

Joo Hee Jae

as BK [So Jin's senior]

Pemeran Pembantu

Seo Ji Young

as Yoo Myeong Hui [So Jin's mother]

Pemeran Pembantu

Yoon Seul

as Yoo Yeong A

Pemeran Pembantu

Jung Yi Rang

as [Head nurse]

Pemeran Pembantu

Jeong Min Sung

as Seo Hyeong Cheol

Pemeran Pembantu

Lee Si Hoon

as Yeo Jung Tam

Pemeran Pembantu

Lee Soo Bin

as Son A Ri

Pemeran Pembantu

Bang Eun Jung

as Nam Sung Mi

Pemeran Pembantu

Son Soo Ah

as Han So Ri

Pemeran Pembantu

Lee Chul Woo

as Father Andrea

Pemeran Pembantu

Kim Jung Woon

as O Sang Min

Pemeran Pembantu

Ryu Ji Won

as Li Na (Ep. 1)

Bintang Tamu

Kim Hyung Min

as [Boxing coach] (Ep. 3, 5)

Bintang Tamu

Lee Teuk

as [Karaoke employee] (Ep. 5)

Bintang Tamu

Shin Dong

as [Karaoke employee] (Ep. 5)

Bintang Tamu

Park Da On

as Seo Gang Hun [Young] (Ep. 8)

Bintang Tamu

Kwon Ji Han

Bintang Tamu

Kang Ye Chan

as Sim Yeon U [Child]

Bintang Tamu

Kim Bong Su

as Kim Sang Eun (Ep. 16)

Bintang Tamu

Choi Mina Sue

as Se Ra [Blind date] (Ep. 12)

Bintang Tamu

Sung Chi Wook

Sutradara

Jung Hee Suk

Planning Producer

Park Kyung Soo

Producer

Jung Soo Mi

Screenwriter