Kim Rae-won
Ji-O (12 eps)
Lee Da-hee
Ha Neul Ae Gu-Reum (12 eps)
Kim Sung-oh
Yi-Son (12 eps)
Kim Sang-ho
Choi Jin-Hwan (12 eps)
Jin Kyung
Hwang Jung-A (12 eps)
Park Hyeok-kwon
Kim Cheol-Soo (12 eps)
Ahn Nae-sang
Ryu Joong-Kwon (12 eps)
Jeong Da-eun
Yoo-Na (12 eps)
Han Kyu-won
Kim Jin-Soo (12 eps)
Kim Min-gwi
Kim Tae-Oh (12 eps)
Go Jin-Soo
[Detective] (12 eps)
Moon Jung-dae
[Detective] (12 eps)
Lee Jung-ok
Kim Hwang-Shik (12 eps)
Ahn Chang-hwan
Won Yi (12 eps)
Lee Hae-yeong
Oh Jong-Hwan (12 eps)
Hwang Jae-yeol
Kim Yoo-Chul [Detective] (12 eps)
Jung Eun-chae
Attorney Jung (4 eps)
Kim Hyung-min
Ha Young Jae (2 eps)
Lee Ga-heun
Gu Reum's mother (2 eps)
Seo Eun-Sol
Gu Reum [Young] (2 eps)
Lee Won-jong
Kim Man-Shik (2 eps)
Lee Yong-nyeo
Sister Stella (2 eps)
Gong Sang-a
Nun (2 eps)
Yoon Jong-goo
Vengeful church member (2 eps)
Yoo Byeong-hun
[Employee] (1 eps)
Bae Ho-Geun
[Chief researcher] (1 eps)
Park Kyung-Soon
[Researcher] (1 eps)
Oh Han-kyul
Ji Oh [Young] (1 eps)
Lee Dong-kyu
[TBM reporter] (1 eps)
Lee Doll-hyung
Doctor (1 eps)
Choi Nam-wook
Subway train driver (1 eps)
Han Gan-Ho
Doctor (1 eps)
Shin Yeon-woo
Pregnant woman (1 eps)
Sung Do-hyun
Jung Ah's subordinate (1 eps)
Kim Seong-yong
Church executive (1 eps)
Ahn Seong-bong
Kim Cheol Soo's assassin (1 eps)