Seo In-guk

as Mad Hatter

as Lee Jae-seok

as Park Jong-du

as Pindol / Kang Sae-dol / Drill-bit

as Yang Ming-zhe

as Self

as Jo Won-il

as Self • 6 eps

as Kang Si-woo • 12 eps

as Park Kyeong-nam • 10 eps

as Won-seung • 8 eps

as Self - Cupid Expert • 20 eps

as Self • 8 eps

as Self • 1 eps

as Choi Yee-jae • 8 eps

as Self • 1 eps

as Self • 1 eps

as Self • 2 eps

as Nam Han-jun • 18 eps

as Jay Jun • 1 eps

as Myul Mang / Kim Sa-ram • 16 eps

as Hwang Hee • 1 eps

as Grim Reaper • 1 eps

as Kim Moo-Young • 16 eps

as Louie • 16 eps

as Yang Jung-do • 16 eps

as Self • 1 eps

as Edward • 1 eps

as Lee Hyun • 16 eps

as Prince Gwanghae • 24 eps

as Lee Min-seok / Lee Hyung-seok • 17 eps