Ha Jung-woo
Gang-rim

Cha Tae-hyun
Kim Ja-hong

Ju Ji-hoon
Hae Won-maek

Kim Hyang-gi
Deok-choon

Lee Jung-jae
King Yeomra

Kim Dong-wook
Kim Su-hong

Ye Su-jeong
Ja-hong's Mother

Oh Dal-su
Prosecutor

Im Won-hee
Prosecutor

Sung Yu-been
Young Kim Ja-hong

Goo Seung-hyun
Young Kim Su-hong

Lee Jun-hyuk
First Lieutenant Park Moo-sin

Doh Kyung-soo
Private Won Dong-yeon

Jung Hae-kyun
Byeon-seong / God of Murder Hell

Kim Hae-sook
Cho-gang / God of Indolence Hell

Kim Su-an
Tae-san / God of Lie Hell

Lee Kyung-young
Oh-gwan / God of Injustice Hell

Kim Ha-neul
Song-je / God of Betrayal Hell

Jang Kwang
Jin-gwang / God of Violence Hell

Kang Da-hyeon
Ji-yeon

Yu Jun-sang
Trapped Firefighter

Nam Il-woo
Heo Choon-sam

Jung Ji-hoon
Heo Hyun-dong

Kim Soo-ro
Cat Girl's Father

Na Chul
Club Man

Tae Won-seok
Military Police

Oh Hee-jun
Interpreter Soldier

Kim Tae-jun
Firefighter

Lim Cheol-soo
Firefighter

Hong In
Firefighter

Kim Min-jong
Grim Reaper

Don Lee
Sung-ju / Household God

Kim Geu-lim
First Lieutenant Park's wife