평행이론

Jang Soo Yeong

Shon Gi-cheol

Han Sang-joon

Nam Ga-hee

Kindergarten Teacher

Lee Kang-seong

Bae Yun Kyeong

Court Chief

Detective

Telephone booth

Seo Jeong Yun

Jeong Min Soo

Go Eun-hee

Bae Byeong-ho

Kim Seok Hyeon

Kim Ye-jin

Park Eun-bong

Detective