Pemeran Returning Student: Straight-A, but F in Love

Kwon Hyuk Soo

as Kwon Hyuk Soo

Pemeran Utama

Joo Hyun Young

as Joo Hyun Young

Pemeran Utama

Kim Won Hun

as Kim Won Hoon

Pemeran Utama

Yim So Yun

as Im So Yoon

Pemeran Utama

Kim Min Kyo

as Kim Min Kyo

Pemeran Pembantu

Jung Yi Rang

as Jung Yi Rang

Pemeran Pembantu

Kim Sun Woo

Pemeran Pembantu

Park Chul Min

as [Professor] (Ep. 1)

Bintang Tamu

Min Ka Rin

as [Hyuk Soo's first love] (Ep. 1, 4)

Bintang Tamu

Ahn Young Mi

as (Ep. 2)

Bintang Tamu

Zico

as [Man on blind date] (Ep. 3)

Bintang Tamu

Lee Jong Hyuk

as (Ep. 4)

Bintang Tamu

Kim Kyung Wook

as [Pension President] (Ep. 7)

Bintang Tamu

Jung Hyun Nam

Sutradara

Son Yong Rak

Sutradara

Park Ji Hye

Sutradara

Kim Hyeon Hee

Screenwriter