Characters played by Ji-eun Lee
Jang Man Wol
Characters played by Yeo Jin-gu
Goo Chan Seong
Characters played by Shin Jeong-geun
Kim Seon Bi
Characters played by Bae Hae-Sun
Choi Seo Hee
Characters played by Ji-Hoon Pyo
Ji Hyun Joong
Characters played by Seo Yi-Sook
Ma Go Shin
Characters played by Lee Do-Hyun
Go Chung Myung
Characters played by Hyun-Chul Cho
Sanchez
Characters played by Mi-na Kang
Kim Yoo Na
Characters played by Tae-sun Lee
Park Young Soo
Yeon Woo
Characters played by Kang Hong-Seok
Grim Reaper
Characters played by Yoo-na Park
Lee Mi Ra
Characters played by Lee Da-wit
Seol Ji Won
Characters played by Ahn Soo-bin
Ghost Lee Do Yeon
Characters played by Seo Yi-Soo
Ji Hyun Mi
Characters played by Jung Dong-hwan
Manager Noh
Characters played by Ji-Ho Oh
Goo Hyun Mo
Characters played by Kang-Hoon Kim
Goo Chan Sung [Young]
Characters played by Nam Da-reum
Spirit of the Well (cameo)
Characters played by Hyeok-soo Kwon
Doctor
Characters played by Kim Won-Hae
Mayor Park Gyu Ho (cameo)
Characters played by Yi-Kyeong Lee
Yu Oh (cameo)
Characters played by Park Jin-Joo
Gyung Ah (cameo)
Characters played by Sulli Choi
Jang Ji Eun (cameo)
Characters played by Eun-Su Seo
Veronica (cameo)
Characters played by Hwang Young-Hee
Hwang Mun Seok (cameo)
Characters played by Kim Soo-hyun
Hotel Blue Moon Owner (cameo)
Characters played by Hyun-Shik Jo
Guest from room 404 (cameo)
Characters played by Lee Joon-Gi
Exorcist
Characters played by Cha Cheong-hwa
Water Ghost (ep. 1)
Characters played by Seung-Joon Lee
Acupuncturist
Characters played by Hong Seo-jun
Yoo Na's father
Characters played by Lee Si-eon
Astronaut
Characters played by Kim Mi-Kyung
Bereaved Mother
Characters played by Lee Hyun Kyun
Dr. Han
Characters played by Jun Hyun Kim
Kim Jun Hyun
Characters played by Hee-Jung So
Kang Man Young's wife
Characters played by Yang Hee-Won
Ghost
Characters played by Kim Young-Sun
Yoo Na's mother
Characters played by Jang Hae-Song
Newlywed