تسعة ألغاز

Kim Da-mi

Yoon Ena

Son Suk-ku

Kim Hansaem

Kim Sung-kyun

Yang Jeong-ho

Hyun Bong-sik

Choi San

Kwak Ja-hyung

Roh Su-kwang

Jang Gyeok-su

Hyeon Ho-geun / Hangang Police Station Chief

Jeong Man-sik

Tae Dong-su / Captain

Ahn So-yo

Yun Go-eun

Hong Bi-ra

Byeon Ji-yun

Kim Doh-yon

Nam Hyeok-su