Kim Woo-bin

as Guard / Thunder

as Choe Yeong-do

as Guard / Thunder

as Lee Jung-do

as '5-8'

as Kim Dong-hyub

as Genie / Iblis

as Chi-ho

as Park Jang-goon

as Shin Joon-young

as Ji-hyuk

as Park Jeong-jun

as John Kim

as Choi Sung-hoon

as Park Heung-soo

as Model

as Kang Mi-reu

as Love Cell Hunter / King of romance

as Self

as Self

as Self

as Self

as Self

as Self

as Roy

as Kim U-bin / "Gabri"

as Host

as Self

as Woo Bin

as Self

as Self

as Self

as Self

as Self

as Self