Main •
Kim Tae-hee as Cha Yu-ri : She becomes a lingering ghost after getting hit by a car while 9 months pregnant. After being taken to the hospital where her husband works, her daughter is saved, however Yu-ri is unable to survive. Four years later, Yu-ri becomes human again after having an emotional outburst towards God for the tragedy that befell her, and is granted 49 days to regain her place as Gang-hwa's wife and her daughter's mother in order to be able to stay permanently. If she is unable to do so, she must willfully go to heaven and reincarnate. •
Lee Kyu-hyung as Cho Gang-hwa : A well off doctor and former surgeon. After his wife's death, he begins to distance himself from reality, becoming depressed. He develops a trauma of surgery after losing his pregnant wife because he was unreachable and locked up in an operating room. •
Go Bo-gyeol as Oh Min-jung : Gang-hwa's new wife, who later discovers Gang-hwa's true feelings and about Yu-ri's resurrection. Current mother figure of Yu-Ri's daughter Seo-Woo.
Supporting Yu-ri's family and entourage •
Seo Woo-jin as Cho Seo-woo, Gang-Hwa and Yu-ri's daughter. •
Park Jung-yeon as teenager Cho Seo-woo (Ep. 16) •
Kim Mi-kyung as Jeon Eun-sook, Yu-ri's mother. •
Park Soo-young as Cha Moo-poong, Yu-ri's father. •
Kim Mi-soo as Cha Yeon-ji, Yu-ri's little sister. •
Shin Dong-mi as Go Hyun-jung, Yu-ri's best friend. •
Yoon Sa-bong as Mi Dong-daek, a shaman. •
Lee Si-woo as Jang Pil-seung, an airline pilot.
People around Gang-hwa •
Oh Eui-shik as Gye Geun-sang, Gang-hwa's best friend. •
Ahn Nae-sang as Professor Jang, Gang-hwa's chief.
Ghosts at the ossuary •
Ban Hyo-jung as Jung Gwi-sun, died 7 years ago. •
Bae Hae-sun as Sung Mi-ja, Man-seok's wife died 55 years ago. •
Choi Dae-sung as Kwon Man-seok, Mi-ja's husband, died 56 years ago. •
Park Eun-hye as Seo Bong-yeon, Pil-seung's mother who died 22 years ago. •
Kim Dae-gon as Jang Dae-choon, Pil-seung's father who died 22 years ago. •
Shin Soo-yeon as Jang Young-shim, Pil-seung's sister who died 22 years ago. •
Lee Jae-woo as Kang Sang-bong, former baseball player who was murdered. •
Shim Wan-joon as Shim Geum-jae, died 6 years ago. •
Bae Yoon-kyung as Park Hye-jin, died 4 years ago. •
Shin Cheol-jin as Mr.Choe
Special appearances •
Lee Ji-ha as Park Hye-jin's mother • Yoo Yeon as Mi-so's mother •
Lee Joong-ok as apartment ghost (Ep. 1 & 10) •
Lee Jung-eun as shaman (Ep. 4 & 10) •
Lee Dae-yeon as Kim Pan-seok (Ep. 7 & 9) •
Lee Byung-joon as Baek Sam-dong (Ep. 7 & 9) •
Kim Seul-gi as Shin Soon-ae (Ep. 10) •
Yang Kyung-won as an exorcist (Ep. 10–15) ==Production==