Undercover

Han So-hee

Yoon Ji-woo

Han So-hee

Oh Hye-jin

Hee-soon Park

Choi Moo-jin

Kim Sang-Ho

Cha Gi-ho

Hak-joo Lee

Jung Tae-ju

Rich Ting

Choi Moo-jin

Olivia Castanho

Various Characters

Will Choi

Various Characters

Ahn Bo-Hyun

Jeon Pil-do

Chang Ryul

Do Gang-jae

Moon Sang-min

[Detective] Ko Gun-pyung

Sung Jong Seo

[Detective] Na Dae-soo

Yoon Kyung-ho

Ji-woo's Father

Won Jin

Mr. Hwang (Moo-jin's Driver)

Baek Joo-Hee

[Moo-jin's Secretary] Kang Su-yeon

Willis Chung

Ko Gun-pyeong

Lee Suk

Kim Cheol-ho

Sang-won Seo

Police Commissioner

Tiffany Chu

Ji-u Yoon