Yeo Jin-goo

Self / MC

Lee Min-hyuk

Self / MC

Key

Self / MC

Jo Kwon

Self / MC

Somin

Self / MC

Kim Jae-hwan

Self / MC

Lee Seok-hoon

Self / Vocal Master

Lim Han-byul

Self / Vocal Master

Heo Sol-ji

Self / Vocal Master

pH-1

Self / Rap Master

Baek Koo Young

Self / Dance Master

Choi Young Jun

Self / Dance Master

Lip J

Self / Dance Master

Kim Jiwoong

Self — Contestant

Lee Dong-yeol

Self — Contestant

Mun Jung Hyun

Self — Contestant

ichan

Self — Contestant

Jung Ho-jin

Self — Contestant

Kim Min-hyuk

Self — Contestant

Lee Seung-hwan

Self — Contestant

Park Gwan-young

Self — Contestant

Yoon Jong-woo

Self — Contestant

Sung Hanbin

Self — Contestant

Zhang Hao

Self — Contestant

Seok Matthew

Self — Contestant

Kim Taerae

Self — Contestant

Ricky

Self — Contestant

Kim Gyuvin

Self — Contestant

Park Gunwook

Self — Contestant

Han Yujin

Self — Contestant

Jeong Min-gyu

Self — Contestant

Lee Hoe-taek

Self — Contestant

Lee Da-eul

Self — Contestant

Cha Woong-ki

Self — Contestant

Lee Seunghwan

Keita

Self - Contestant