Jo Hyun-sik

Batch 21 Grim Reaper

Human Guest from Room 404

Ahn Jong-dae

Casino manager

Sang-suk

Eunuch Yang

Young Mr. Choi

Kim Seok-ho

Han Duk-soo

Won Gi-ok

Ma Young-Joon

Voice 1

Man at the men's restroom

Do Ra-ik's Manager

Jang Soon-kyu

Van driver

Jang Tong-wu

Police

Eok-shwe

Kyeong-sik

Shin Sung-il

Secretary Jang