The Culprit

송새벽

Lee Yeong-hoon

유선

Jeong Da-yeon

Jang Hyuk-jin

Park Sang-min

Oh Min-suk

Kim Joon-seong

한수연

Im Yoo-jeong

Jung Hae-kyun

Detective Jo Sang-pil

Lee Soi

High School student - bit part

Woo Mi-hwa

Da-yeon's sister

차수진

Nurse