Casts
Kim Soo-hyun
as Jang Tae-yeong
Sung Dong-il
as Jo Won-geun
Lee Sung-min
as Choi Jin-gi
Sulli
as Song Yoo-hwa
Jo Woo-jin
as Sa Do-jin
Kim Hong-pa
as Choi Nak-hyeon
Jeong In-kyeom
as Professor Kim
Choi Kwon
as Manager Baek
Go Gyu-pil
as Bald man
Han Ji-eun
as Han Ye-won
