Kwan-woo

Detective Gu Kwan-woo

Ha Jung-ho (2 episodes)

Kwang-woon

Self (2 episodes)

Ban

Hong Tae-ik (2 episodes)

Detective Team Leader

Shimazu Tadatsune

Yong-sik

Cheon Dong-koo (16 episodes)

Husband

Hae Mal-geun

Self (10 episodes)

Song Young-jin (12 episodes)

Man-sik

Jun-yong

Self (1 episode)

Cho Young-min (12 episodes)

Kang Chi-kyum (16 episodes)

차동철

General Manager

Self (1 episode)

Monk

Shimada

Self (1 episode)

Go Myeong-suk (14 episodes)

Himself (1 episode)

Geun-se

Myong-ho

Lee Chan-soo (18 episodes)

Sashimi Restaurant owner

Myeong-hoon

Paramedics