as Joo Sung-yoon(1 ep)
as Do-heon(5 eps)
as Tae-soo
as Kim Soo-hyun(20 eps)
as Jeong Dong-hyun(1 ep)
as Self - Contestant(28 eps)
as Ban Hae-sung(12 eps)
as Park Jae-woo(1 ep)
as Kanade / Kan Gon