Jang Man Wol (16 episodes, 2019)
Goo Chan Seong (16 episodes, 2019)
Kim Seon Bi (16 episodes, 2019)
Choi Seo Hee (16 episodes, 2019)
Ji Hyun Joong (16 episodes, 2019)
Ma Go Shin (16 episodes, 2019)
Go Chung Myung (15 episodes, 2019)
Sanchez (15 episodes, 2019)
Kim Yoo Na (14 episodes, 2019)
Park Young Soo / Yeon Woo (14 episodes, 2019)
Grim Reaper (14 episodes, 2019)
Lee Mi Ra (13 episodes, 2019)
Seol Ji Won (7 episodes, 2019)
Ghost Lee Do Yeon (6 episodes, 2019)
Ji Hyun Mi (4 episodes, 2019)
Manager Noh (2 episodes, 2019)
Goo Hyun Mo (2 episodes, 2019)
Goo Chan Sung [Young] (2 episodes, 2019)
Spirit of the Well (cameo) (2 episodes, 2019)
Lee Eun-jin (2 episodes, 2019)
Doctor (2 episodes, 2019)
Mayor Park Gyu Ho (cameo) (1 episode, 2019)
Yu Oh (cameo) (1 episode, 2019)
Gyung Ah (cameo) (1 episode, 2019)
Jang Ji Eun (cameo) (1 episode, 2019)
Veronica (cameo) (1 episode, 2019)
Hwang Mun Seok (cameo) (1 episode, 2019)
Hotel Blue Moon Owner (cameo) (1 episode, 2019)
Guest from room 404 (cameo) (1 episode, 2019)
Exorcist (1 episode, 2019)
Water Ghost (ep. 1) (1 episode, 2019)
Acupuncturist (1 episode, 2019)
Yoo Na's father (1 episode, 2019)
Baker (1 episode, 2019)
Astronaut (1 episode, 2019)
Bereaved Mother (1 episode, 2019)
Kang Man Young's wife (1 episode, 2019)
Dr. Han (1 episode, 2019)
Seo Joo Hee (Blind Ghost) (1 episode, 2019)
Taxi Driver (1 episode, 2019)
Newlywed (1 episode, 2019)
Ghost (1 episode, 2019)
Yoo Na's mother (1 episode, 2019)
Kim Jun Hyun (1 episode, 2019)