Lee Sang-soon

as Self (4 episodes)

as Self (3 episodes)

as Self, Original Music Composer

as Goo Nam-hoon (10 episodes)

as Self (1 episode)

as Self (2 episodes)

as Self (1 episode)

as Self (2 episodes), Music

as Self (1 episode)

as Self (9 episodes)

as Self (1 episode)

as Self (30 episodes)

as Jun-young

as Sang-soon

Musician

Musician

as Self (2 episodes)

Music

Music

Musician

as Self (1 episode)