Lee Min-ho

Lee Gon

Kim Go-eun

Jung Tae-eul / Luna

Woo Do-hwan

Jo Eun-sup / Jo-young

Jung Eun-chae

Goo Seo-ryung / Goo Eun-ah

Lee Jung-jin

Lee Rim

Kim Yeong-ok

Noh Ok-nam

Jeon Bae-soo

Jung Do-in

Seo Jeong-yeon

Song Jung-hye

Park Won-sang

Park Moon-shik

Park So-jin

Jo Hae-in

Baek Hyun-joo

Lee Gon's Secretary

Kim Yong-ji

Myung Na-ri / Myung Seung-ah

Lee Hong-nae

Seok Ho-pil

Choi Woo-sung

Kim Ki-won

Jung Hyeon-jun

Young Lee Gon / Lee Ji-hun

Moon Woo-jin

Young Shin-jae / Kang Hyun-min

Lee Hae-yeong

Yoo Kyung-moo

Heo Dong-won

Detective Shim

Hwang Se-on

Park In-young

Kang Ki-doong

Secretary Kim

Kim Jung-young

Kim Sung-ae