Cast
Seo In-guk
Louie • 16 episodes
Nam Ji-hyun
Ko Bok-Shil • 16 episodes
Yoon Sang-hyun
Cha Joong-Won • 16 episodes
Lim Se-mi
Baek Ma-Ri • 16 episodes
Oh Dae-hwan
Jo In-Sung • 16 episodes
Kim Yeong-ok
Choi Il-Soon • 16 episodes
Uhm Hyo-seop
Kim Ho-Joon • 16 episodes
Kim Sun-young
Heo Jung-Ran • 16 episodes
Kim Kyu-chul
Baek Sun-Goo • 16 episodes
Yun Yoo-sun
Hong Jae-Sook • 16 episodes
Hwang Young-hee
Hwang Geum-Ja • 16 episodes
Kim Byung-chul
Lee Kyung-Gook • 16 episodes
Lee Jae-kyoon
Byun Do-Jin • 16 episodes
Kang Ji-sub
Nam Joon-Hyuk • 16 episodes
Kim Seung-Han
Louie (young) • 16 episodes
Chae Soo-bin
Wang Mong-sil • 1 episodes
Min Bok-gi
[Chief Detective] • 3 episodes
Crew
Directing
Lee Sang-yeob
Director
Production
Kim Ho-joon
Producer • 16 episodes
Sound
Shownu
Theme Song Performance • 16 episodes
Umji
Vocals • 16 episodes
HYUNGWON
Theme Song Performance
Lee Min-hyuk
Theme Song Performance
WONHO
Theme Song Performance
Lee Joo-heon
Theme Song Performance
KIHYUN
Theme Song Performance
I.M
Theme Song Performance
Umji
Theme Song Performance
Writing
Oh Ji-young
Screenplay