Undercover Miss Hong

Park Shin-hye

as

Hong Geum-bo

Go Kyung-pyo

as

Shin Jeong-wu

Ha Yoon-kyung

as

Ko Bok-hee

Cho Han-gyeol

as

Albert Oh

Yuna

as

Hong Jang-mi

Lee Duck-hwa

as

Kang Pil-beom

Kim Hyeong-mook

as

Oh Deok-gyu

Kim Won-hae

as

Yun Jae-beom

Choi Ji-su

as

Kang No-ra

Lim Cheol-soo

as

Cha Jeong-Il