Cha Do-hyeok
Lee Hyung-nyeon
Ha Moo Yum
Maria Oh
Yang Cheol-gon
Ryu Tae-oh
Ma Ji-wool
Han Sang-hoon
Nam Ki Ri
Youngest detective
Oh Young-ae
young Ryu Tae-oh
young Cha Do-hyeok
Ha Moo Yum [Young]
Nah Do-Hyung
