Kim Ok-vin character Sook-hee
Shin Ha-kyun character Joong-sang
Sung-Joon character Hyun-soo
Kim Seo-hyung character Kwon-sook
Jo Eun-ji character Kim Sun
Lee Seung-joo character Choon-mo
Jung Hae-kyun character Jang Chun
Park Chul-min character Sook-hee's father
Son Min-Ji character Min-joo
Min Ye-ji character Sook-hee (young)
Ji Dae-han character Shadow 1
Seo Beom-Sik character Shadow 2
Kim Jae-hyun-I character Shadow 3
Park Joo-ha character Prayer house trainees
Kim Hae-na character Prayer house trainees
Jung Sung-yoon character Briefing man
Yoon Jin-young character Hyun-soo's friend
Kwon Hyeok-beom character Joong-sang's man