Director
Yoon Jong-ho
DIRECTOR
Kim Tae-yeop
Writer
Kim Bbang
WRITER
Lee Shi-Eun
Stars (in credits order)
Byeon Woo-seok
Ryoo Seon-jae
Kim Hye-yoon
Im Sol
Lee Seung-hyub
Baek In-hyeok
Song Geon-hee
Kim Tae-Sung
Jung Young-joo
Park Bok-Soon
Seo Hye-won
Lee Hyun-Joo
Sung Byoung-sook
Jung Mal-ja (Im Sol's grandmother)
Song Ji-ho
Im Geum
Jeon Young
Lee Gyeong-ja (BON cinema's CEO)
Su-A Shin
Im Bo Ah [Im Geum's daughter]
Lee Woo-Je
Cho-Rong
Oh Se-young
Choi Ga-hyeon
Jeong A-Jeong
Da Hye [Yeonseo University student]
Han Seung-yeon
DJ Hamster
Kim Soo-oh
Detective Seo
Geon-rak Park
Police officer
Jang Eun-seo
Concert staff
Kim Won-hae
Ryu Geun-deok (Seon-jae's father)
Kim Young-mi
Kwon Yu-ri
Kwon Yuri
Han Sang-chul
Uncle
Kim Min-Seok
Jin Sang
Lee Il-Jun
Park Dong Seok [Seon Jae's manager]
Oh Tae-eun
Aunt
Ahn Sang-Woo
Kim Seok Hyun [JNT's CEO]
Lee Chul-woo
Kim Hyung-goo (Seon-jae's rival)
Park Yoon-hee
Kim Won Chul [Tae Sung's father]
Choi Ja-woon
Bus boy
Shin Yeon-Woo
Im Sol (young)
Ko Seo-jeong
Math teacher
Jung Kang-hee
Coach Ahn [Swimming team coach]
Moon Yong-suk
Hyun Soo [Eclipse member]
Bae Sung-il
Detective
Seo Young-sam
Teacher
Hwi Gyu Kim
Cha Yi Seul [Tae Sung's friend]
Ki Hwan
Heo Hyung Kyu
Kim Young Soo [Taxi driver]
Chang-Hyun Han
Jung Ryul
Sun Ho Yoo
Detective Choi
Kim Jae-man
Dean of students
Kwon Dan-A
Student
Kim Hyun-kyu
Choi Hyun-goo (Seon-jae's friend)
Kyo-Min Koo
Dong Seob
Ko Taejin
Choi Jung Hoon [BON cinema's employee]
Ko Kwang Dok
Han Sang Chul
Kim Dae Kook
Superstar K judge
Park Joo-yong
Hyun-Young Choi
Eun Ji [Yeonseo University student]
Geon-Chang Lee
Swim team student
Yang Hyuk
Je-i