Song Ji Hyo

Bong Min-jung

김재중

Choi Hyun

한상진

Team Leader Shin

오달수

Chief Detective Ma

서동원

Hotel Receptionist

라미란

Cleaner

Seo Yi-an

Yoo Young-sun

Kim Sung-ryung

Angela

Lee Tae-rim

Detective Do

신동미

Seon-young

Teo Yoo

Mustache

김용건

Angela's Husband

진주형

Library

배형준