Secret Royal Inspector & Joy

Ok Taec-yeon

as

Ra Yi-eon

Kim Hye-yoon

as

Kim Jo-yi

Lee Jae-kyoon

as

Park Tae-seo

Choi Tae-hwan

as

Park Do-soo

Jung Soon-won

as

Cha Mal-jong

Lee Sang-hee

as

Kwang-soon

Bae Jong-ok

as

Deok-bong

Min Jin-woong

as

Yook-Chil

Park Kang-seop

as

Goo-Pal

Han Eun-seong

as

Kang Jong-gil