Cast
H
Hong Isaac
as Tae-il
J
Jang Ha-eun
as Ji-won
S
Seo Young-jae
as Deok-ho
J
Jang Da-hyeon
as Bok-soon
Y
Yang Tae-hwan
as Ki-tae
C
Cha Min-ho
as Bae-dol
H
Hwang Da-sol
as Ho-tae
L
Lee Na-woo
as Dong-hoon
H
Hwang Min-jae
as Chan-gyoo
C
Choi Yeon-soo
as Gemma
G
Go Tae-hee
as Hae-min
J
Ja I-ro
as Sang-jae
U
Uhm Yoon Jung
as Assistant
S
Song In-seop
as Min-seop
K
Kim Yeong-jin
as Min-seop's Band Drummer
J
Jeon Yong-joon
as Min-seop's Band Pianist
P
Park Chan-yeong
as Cellist
P
Park Hyeon-woo
as Middle School Rapper
K
Kim Seong-hoon
as Famous Musician 1
K
Kim Ha-jin
as Famous Musician 2
Y
Yang Ji-wan
as Famous Musician 3
J
Jeon Hwa-ryeong
as Famous Musician 4
H
Hyeon Seok-joon
as Male High School Student
W
Woo Hyeon-seo
as Female High School Student
J
Jeong Jae-hoon
as Finals Contest MC
G
Go De-i
as Ukulele Elementary School Student
L
Lee Yeong-seo
as Big Friend
S
Sin Dong-ho
as Finals Judge 1
J
Jang Hong-mi
as Finals Judge 2
L
Lee Won-min
as Finals Judge 3
K
Kim Seong-ah
as Middle-aged Woman
K
Kang Min-seok
as Hae-min's Dance Team 1
K
Kim Yoo-bin
as Hae-min's Dance Team 2
T
Tak Jae-min
as Hae-min's Dance Team 3
L
Lee Hwa-ik
as Sang-jae Band's Sessions Member 1
J
Jung Il-do
as Sang-jae Band's Sessions Member 2
L
Lee Ji-hyeon
as Finals Participant 1
J
Jeong Woo-jae
as Finals Participant 2
R
Ryoo Han-jong
as Entertainment Staff
J
Jo Pil-seong
as Musician in the Picture
Crew
H
Hong Isaac
Original Music Composer
S
Song In-seop
Original Music Composer
L
Lee Hwa-ik
Original Music Composer
J
Jo Byeong-hun
Director of Photography
J
Jung Jin-yong
Editor
