Main •
Jang Na-ra as Hong Ji-ah, an exorcist and owner of Daebak Real Estate : Her mother died 20 year ago during an exorcism. She wants to send her mother's spirit but cannot find the right psychic to possess her since she was an exorcist too. •
Jung Yong-hwa as Oh In-beom, a fraud who makes money using ghosts, but turns out be a psychic when he gets involved during an exorcism performed by Hong Ji-ah. He partners with Hong Ji-ah for money but later learns the secret about his childhood. His uncle was the last client of Hong Ji-ah's mother.
Supporting •
Ahn Gil-kang as Do Hak-seong, Chairman of Dohak Construction : A gangster in suit. He gets what he wants no matter what. Responsible for Oh In-beom's uncle's death. •
Kang Hong-seok as Chief Heo : Oh In-beom's friend and partner in crime. A hacker and con artist. •
Kang Mal-geum as Deputy director Joo : Manager of Daebak Real Estate. She has a mysterious past. • Heo Dong-won as Kim Tae-jin : Boss of a nightclub, a former gangster. •
Baek Eun-hye as Hong Mi-jin, Hong Ji-ah's mother : An exorcist, she died during her last exorcism. •
Baek Hyun-joo as Chang Hwa-mo : She runs 'Changhwa Restaurant' across Daebak Real Estate. She is waiting for her son's return to her restaurant after he left her years ago. •
Choi Woo-sung as Hyung-sik : Physical student and a spirit medium who exorcize evil spirits. •
Im Ji-kyu as Kim Byeong-ho, a ghost artist of painter Jo Hyun-seo •
Kim Mi-kyung as Yeom sajang (special appearance) : Owner of Blue Salt who supplies exorcism equipment to Daebak Real Estate and close to Hong Ji-ah and her family. •
Baek Ji-won as Lee Eun-hye, the director of Britium Art. •
Kim Dae-gon as Oh Seong-sik, kind uncle to Oh In-beom. •
Kim Sung-bum as police officer Kang Han-seok. •
Lee Chae-kyung as assistant Choi
Special appearances •
Seo Sang-won as Yang Woo-jin's father (ep. 1) •
Park Han-sol as young Joo Hwa-jung • Kwon Dong-ho as Hwang Jae-woo [Green Villas] (ep. 5) ==Production==