as

Self

as

Guest

as

Self - Mentor

as

Self

as

Team F.T. Island Producer

as

출연

as

Vocal Trainer

as

Cha Yool

as

Self

as

Vocal trainer

as

Lee Hong-gi

as

Self

as

Jeo Pal-kye / PK

as

Himself

as

Self

as

Seok-gu

as

Choi Kang Ju

as

Lee Min Ki

as

Choong Ui

as

Self

as

Yoo Ji-Ho

as

Jeremy

as

Self

as

Kim Ji-hoon

as

himself

as

himself