The Ghost Detective

The Ghost Detective is a 2018 South Korean television series starring Choi Daniel, Park Eun-bin and Lee Ji-ah. It aired on KBS2 from September 5 to October 31, 2018, every Wednesday and Thursday at 22:00 (KST).

Synopsis
Detective Lee Da-il (Choi Daniel), who catches ghosts, tries to solve the case of his assistant, Jung Yeo-wool's (Park Eun-bin) younger sibling's bizarre death. He runs into a mysterious woman in red called Sunwoo Hye (Lee Ji-ah) who appears at every crime scene.

Main

 * Choi Daniel as Lee Da-il, a sharp and tenacious detective who displays his abilities only when he is investigating a case that interests him.
 * Park Eun-bin as Jung Yeo-wool, a cheerful, persistent and strong assistant detective.
 * Lee Ji-ah as Sunwoo Hye, a mysterious woman who always wears a red dress and carries both an innocent and spooky vibe with her.
 * Heo Jung-eun as young Sunwoo Hye

Supporting

 * Kim Won-hae as Han Sang-seop, a local private investigator and chief of a detective agency.
 * Lee Jae-kyun as Park Jung-dae, a smart and vigorous police detective.
 * Lee Joo-young as Gil Chae-won, a medical examiner who has the ability to communicate with ghosts.
 * Shin Jae-ha as Kim Gyeol
 * Chae Ji-an as Jung Yi-rang
 * Park Joo-hee as Baek Da-hee, a lawyer from a top firm.
 * Yoo Su-bin as Kang Eun-jung, an aspiring journalist.
 * Hyun Bong-sik as detective
 * Ye Soo-jung as Da-il's mother
 * Kim Min-sang as Detective Squad Chief Sim
 * Mi Ram as Chan-mi, a kindergarten teacher.
 * Woo Ki-hoon as Pil-seung
 * Shin Cheol-jin as Grandpa's Ghost

Production

 * Early working title of the series is A Few Good Men.
 * First script reading was held in June 2018 at KBS Annex Building.