Oh My Ghost Clients

Main

• Jung Kyung-ho as Noh Moo-jin (a labor attorney who can see spirits)^[1]
• Seol In-ah as Na Hee-joo (the sister-in-law of Moo-jin)^[1]
• Cha Hak-yeon as Go Gyeon-woo^[1]
• Yoo Seon-ho as Heo Yoon-jae (Diligent part-timer. After returning to life from a coma, he finds hope to live by gaining strength and encouragement from Moo-jin, and decides to pursue a labor attorney license)^[4]
• Tang Jun-sang as Bo Sal (Buddha)^[5]
• Kyung Soo-jin as Na Mi-joo (the estranged wife of Moo-jin, Hee-joo's older sister)^[6]

Supporting

• Park Soo-oh as Lee Min-wook (Ep. 2 - Student factory worker died in a tragic accident in an illegal factory)^[7]
• Hwang Bo-reum-byeol as Jo Eun-young (Ep. 3, 4 - Rookie nurse committed suicide in a hospital as she was unjustly blamed for causing a patient's death)^[8]
• Kang Ae-shim as Kim Young-sook (Ep. 5, 6 – Janitor who died of a heart attack while studying for exams inhumanely imposed on janitors by the employer)^[9]

Guest appearances

• Kim Dae-myung as Jung-min (Ep. 1 - a close friend of Moo-jin, who advises Moo-jin to use his retirement money to buy Bit-coins)^[10]
• Jun Gook-hyang as Yang Eun-ja (Ep. 1, 5, 6 - Moo-jin's mother, a cleaning worker)^[9]
• Jung Soon-won as Yoon Chul (Ep. 1, 8 - Long-time coworker and friend of Moo-jin)^[11]
• Kim Kang-hyun as Chul-yong (Ep. 1 - Head of the HR Department at Moo-jin's company)^[12]
• Yun Je-wook as Lee Jae-sung (Ep. 1, 2 - Director of an illegal factory)^[13]
• Kang Hye-won as Lee Yu-jin (Ep. 2, 8 - Social affairs reporter and former colleague of Gyeon-woo)^[14]
• Kim Gwi-sun as Taehyeop Steel President (Ep. 2 - Owner of an illegal factory)^[15]
• Anupam Tripathi as Nimal (Ep. 2 - Factory foreign worker)^[16]
• Lee Mi-do (Ep. 3 - Shaman who gives Moo-jin a exorcism course)^[17]
• Song Young-gyu (Ep. 3 - Church priest whom Moo-jin visits during the exorcism course)^[18]
• Ok Ja-yeon as Lee Su-jung (Ep. 3, 4 - Senior nurse who has been under stress and didn't protect Eun-young and felt guilty about it)^[19]
• Shin Joo-hyup as Park Hyun-woo (Ep. 3, 4 - Resident doctor incorrectly prescribed KCL and blamed it on Eun-young)^[20]
• Lee Chang-min as Jung-yup (Ep. 4 - Eun-young's boyfriend)^[21]
• Jin Seon-kyu as Noh Woo-jin (Ep. 5, 10 - Moo-jin's elder brother, a diligent construction worker)^[22]
• Ahn Nae-sang as Oh Jang-geun (Ep. 5, 6 – Janitor working in a university)^[9]
• Park Won-sang (Ep. 5, 6 - University administrative director in charge of reducing operating costs and personnel)^[23]
• Choi Jung-in as Hye-jung (Ep. 7 - Supermarket manager tries to over up Yoon-jae's accident by refuting the claim of a poor working environment)^[24]
• Choi Moo-sung as Kim Myung-an (Ep. 8, 9, 10 - CEO of the Myung-eum Construction, villain in the biggest industrial accident)^[25]
• Lim Chul-hyung as CEO Choi (Ep. 8, 9 - CEO of the Bukguk Warehouse responsible for the fire)^[26]
• Moon So-ri as Moon Jung-eun (Ep. 9, 10 - Big-time National Assembly member)^[27]
• Park Hae-il (Ep. 10 - Special voice appearance at the end, mysteriously calling Moo-jin, "Excuse me. Mr. Noh Moo-jin, the labor attorney..")^[28]

Development

The show was directed by Yim Soon-rye. The script was written by Kim Bo-tong and Yoo Seung-hee. The series is planned by Kwon Sung-chang, and produced by Broccoli Pictures.^[1]

Casting

In August 2023, Jung Kyung-ho was reported to have received an offer to appear, and is positively reviewing it.^[29] On January 8, 2024, Seol In-ah was reported to be cast as the female lead.^[30] On May 14, Cha Hak-yeon had reportedly been cast.^[31] On December 19, MBC announced that Jung, Seol, and Cha had confirmed their appearances.^[32]

Filming

Principal photography began in September 2024.^[33]