Tae-il Hong Isaac

Ji-won Jang Ha-eun

Deok-ho Seo Young-jae

Bok-soon Jang Da-hyeon

Ki-tae Yang Tae-hwan

Bae-dol Cha Min-ho

Ho-tae Hwang Da-sol

Dong-hoon Lee Na-woo

Chan-gyoo Hwang Min-jae

Representative Kim 채연정

Gemma Choi Yeon-soo

Hae-min Go Tae-hee

Sang-jae Ja I-ro

Director Ahn 金义城

Sang Mi-nem Kim Sang-hoon

Assistant Uhm Yoon Jung

Min-seop Song In-seop

Min-seop's Band Drummer Kim Yeong-jin

Min-seop's Band Pianist Jeon Yong-joon

Cellist Park Chan-yeong

High School Pianist Kim Yo-han

Middle School Rapper Park Hyeon-woo

Famous Musician 1 Kim Seong-hoon

Famous Musician 2 Kim Ha-jin

Famous Musician 3 Yang Ji-wan

Famous Musician 4 Jeon Hwa-ryeong

Male High School Student Hyeon Seok-joon

Female High School Student Woo Hyeon-seo

Finals Contest MC 정재훈

Ukulele Elementary School Student Go De-i

Big Friend Lee Yeong-seo

Finals Judge 1 Sin Dong-ho

Finals Judge 2 Jang Hong-mi

Finals Judge 3 이원민

Middle-aged Woman Kim Seong-ah

Hae-min's Dance Team 1 Kang Min-seok

Hae-min's Dance Team 2 Kim Yoo-bin

Hae-min's Dance Team 3 Tak Jae-min

Sang-jae Band's Sessions Member 1 Lee Hwa-ik

Sang-jae Band's Sessions Member 2 정일도

Sang-jae Band's Sessions Member 3 황대현

Music Video Senior Director Lee Sang-il

Music Video Staff Kim Mi-kyeong

Finals Participant 1 Lee Ji-hyeon

Finals Participant 2 Jeong Woo-jae

Entertainment Staff Ryoo Han-jong

Musician in the Picture Jo Pil-seong