Pemeran Just Dance

Park Se Wan

as Kim Shi Eun

Pemeran Utama

Jang Dong Yoon (장동윤)

as Kwon Seung Chan

Pemeran Utama

Lee Joo Young

as Park Hye Jin

Pemeran Pembantu

Joo Hae Eun

as Yang Na Young

Pemeran Pembantu

Shin Do Hyun

as Lee Ye Ji

Pemeran Pembantu

Lee You Mi

as Kim Do Yeon

Pemeran Pembantu

Kim Soo Hyun

as Shim Young Ji

Pemeran Pembantu

Kim Gab Soo

as Lee Kyu Ho [Teacher]

Pemeran Pembantu

Kim Sun Young

as Park Mi Young [Shi Eun's mother]

Pemeran Pembantu

Jang Hyun Sung

as Kwon Dong Seok [Seong Chan's father]

Pemeran Pembantu

Jang Sung Bum

as Han Dong Hee [English teacher]

Pemeran Pembantu

Song Ji In

as Kim Shi Ra [Shi Eun's sister]

Pemeran Pembantu

Hong Seung Hee (홍승희)

as Kim Ju Hyeon [First grader]

Pemeran Pembantu

Jang Yi Jung

as Min Too

Pemeran Pembantu

Jang Yi Jung

as Min Joo

Pemeran Pembantu

Moon Ho Jin

as [Dean of students]

Pemeran Pembantu

Yeon Je Hyung

as Lee Tae Sun [Movie student] (Ep.1, 4, 13)

Bintang Tamu

Park Soo Young

as [Vice Principal] (Ep.1, 6-9, 11)

Bintang Tamu

Moon Sook

as [Hye Jin's grandmother] (Ep. 8, 10)

Bintang Tamu

Lee Do Yeon

as [Woman at the police station] (Ep. 4)

Bintang Tamu

Kwon Hyuk Bum

as [Man beaten by Hye Jin] (Ep.4)

Bintang Tamu

Son Sung Chan

as Kim Sang Chul [Shi Eun's father] (Ep.10, 12)

Bintang Tamu

Kang Hye Kyung

as [Psychiatrist] (Ep. 12)

Bintang Tamu

Son Woo Hyun

Bintang Tamu

Lee Chung Mi

Bintang Tamu

Lee Sang Min

Bintang Tamu

Ra Lee Hye Jin

as [Archer]

Bintang Tamu

Kim Young Ah

Bintang Tamu

Kim Mi Hye

as [News Anchor]

Bintang Tamu

Lee Moo Nyoung

as [Co-worker]

Bintang Tamu

Kwon Chan Min

as [Dockyard employee]

Bintang Tamu

Kim Si Eun

as Kim Shi Eun [Child]

Bintang Tamu

Moon Hye In

as [Dance team leader]

Bintang Tamu

Kim Hae Woong

Bintang Tamu

Shin Ji Yeon

as [Flight Attendant]

Bintang Tamu

Kim In Kyung

as [Dance sports club member 2]

Bintang Tamu

Choi Seong Gwon

Composer

Park Hyeon Seok

Sutradara

Kwon Hye Ji

Screenwriter