Season 1

Yoo Seung-ho

Seo Jin-Woo

20 episodes

Park Min-young

Lee In-A

20 episodes

Park Sung-woong

Park Dong-Ho

20 episodes

Namkoong Min

Nam Gyoo-Man

20 episodes

Jung Hye-sung

Nam Yeo-Kyung

20 episodes

Han Jin-hee

Nam Il-Ho

20 episodes

Lee Si-eon

Section Chief Ahn

20 episodes

Jun Kwang-ryul

Seo Jae-Hyuk

20 episodes

Uhm Hyo-seop

Prosecutor Hong Moo-Suk

20 episodes

Han Bo-bae

Oh Jung-A

20 episodes

Lee Won-jong

Suk Joo-Il

20 episodes

Kim Jin-woo

Kang Suk-Kyoo

20 episodes

Jeong In-gi

In-A's Father

20 episodes

Shin Hyun-soo

Bae Chul-Joo

20 episodes

Song Young-gyu

Tak Young-Jin

20 episodes

Oh Na-ra

Chae Jin-kyung

20 episodes

Lee Chang-min

Director

20 episodes

Yoo Hong-goo

Producer

20 episodes