Reparto (por orden de créditos)
Min-ho Choi
Min-Hyuk
Dal-su Oh
Sun-Dal
Hyeon-kyeong Ryu
Kyung-Ja
Won-hui Lim
Won-Sam
Kim Gyu-Sun
Gyu-Sun
Byung-Joon Lee
Bum-gyu
Sang-Ho Yoon
Detective Yoon
Taemin
Master of Disguise
Ho-young Son
Kim Si-Woo
IU
Ji-eun
Soo-hyang Im
Im Soo-Min
Myung-Soo Kim
L
Na-Eun Son
Sister of Master of Disguise
Seung-Yeon Han
Seungyeon
Lee Joo-yeon
Jooyeon
Taeyeon
Key
Flower Shop Customer
Alex Chu
Ji Hoon
Jun Hyo-Seong
Soo Yeon
G.na
Krystal
Joon-hyung Yong
Joker
Won-ju Jeon
Won-Sam's mother
Jeong-su Park
TV Host
Byung Hee Jung
Myung Sik
Jung-kwon Seo
Tiger
Kim Eunjung
Ji Min
Min-Gwan Han
Guru Customer