Hong Isaac

Tae-il

Jang Ha-eun

Ji-won

Seo Young-jae

Deok-ho

Jang Da-hyeon

Bok-soon

Yang Tae-hwan

Ki-tae

Cha Min-ho

Bae-dol

Hwang Da-sol

Ho-tae

Lee Na-woo

Dong-hoon

Hwang Min-jae

Chan-gyoo

Chae Yeon-jung

Representative Kim

Choi Yeon-soo

Gemma

Go Tae-hee

Hae-min

Ja I-ro

Sang-jae

Kim Eui-sung

Director Ahn

Kim Sang-hoon

Sang Mi-nem

Uhm Yoon Jung

Assistant

Song In-seop

Min-seop

Kim Yeong-jin

Min-seop's Band Drummer

Jeon Yong-joon

Min-seop's Band Pianist

Park Chan-yeong

Cellist

Kim Yo-han

High School Pianist

Park Hyeon-woo

Middle School Rapper

Kim Seong-hoon

Famous Musician 1

Kim Ha-jin

Famous Musician 2

Yang Ji-wan

Famous Musician 3

Jeon Hwa-ryeong

Famous Musician 4

Hyeon Seok-joon

Male High School Student

Woo Hyeon-seo

Female High School Student

Jeong Jae-hoon

Finals Contest MC

Go De-i

Ukulele Elementary School Student

Lee Yeong-seo

Big Friend

Sin Dong-ho

Finals Judge 1

Jang Hong-mi

Finals Judge 2

Lee Won-min

Finals Judge 3

Kim Seong-ah

Middle-aged Woman

Kang Min-seok

Hae-min's Dance Team 1

Kim Yoo-bin

Hae-min's Dance Team 2

Tak Jae-min

Hae-min's Dance Team 3

Lee Hwa-ik

Sang-jae Band's Sessions Member 1

Jung Il-do

Sang-jae Band's Sessions Member 2

Hwang Dae-hyeon

Sang-jae Band's Sessions Member 3

Lee Sang-il

Music Video Senior Director

Kim Mi-kyeong

Music Video Staff

Lee Ji-hyeon

Finals Participant 1

Jeong Woo-jae

Finals Participant 2

Ryoo Han-jong

Entertainment Staff

Jo Pil-seong

Musician in the Picture