Ms. Ma, Nemesis

Director

• 
  Min Yeon Hong
• 
  Lee Jung Hoon

Original Creator

• 
  Agatha Christie

Screenwriter

• 
  Park Jin U

Main Role

• 
  Kim Yoon Jin

  Miss Ma / Ma Ji Won

  Main Role
• 
  Go Sung Hee

  Seo Eun Ji

  Main Role
• 
  Choi Kwang Je

  Go Mal Goo

  Main Role
• 
  Jung Woong In

  Han Tae Kyu

  Main Role

Support Role

• 
  CNU

  Bae Do Hwan [Policeman]

  Support Role
• 
  Sung Ji Ru

  Jo Chang Gil [Police inspector]

  Support Role
• 
  Song Young Gyu

  Jang Cheol Min [Ms. Ma's husband]

  Support Role
• 
  Hwang Seok Jeong

  CEO Oh [Library volunteer group founder]

  Support Role
• 
  Yoo Dam Yeon

  Hong Sun Saeng [Library volunteer group secretary]

  Support Role
• 
  Choi Seung Hoon

  Choi Woo Joon [Park's youngest son]

  Support Role
• 
  Lee Ye Won

  Jang Min Seo [Cheol Min's daughter]

  Support Role
• 
  Yoon Hae Young

  Lee Jung Hee / Lee Mi Soon

  Support Role
• 
  Lee Ha Yul

  Cheon Do Su [Violent Crime Department detective]

  Support Role
• 
  Myung Gye Nam

  Jang Il Goo [Gang leader]

  Support Role
• 
  Moon Hee Kyung

  Park Jin Suk

  Support Role
• 
  Yoon Song Ah

  Teacher Yang [Library volunteer group accountant]

  Support Role
• 
  Kim Young Woong

  Captain Park

  Support Role
• 
  Kim Young Ah

  Yang Mi Hee [Chief Prosecutor]

  Support Role
• 
  Park Yoon Hee

  Choi Man Shik [Lawyer]

  Support Role
• 
  Choo Soo Bin

  Bang Mi Young

  Support Role
• 
  Jun Eun Mi

  [Jang Il Goo’s caregiver]

  Support Role
• 
  Lee Myung Hoon

  Heo Joo Young [Homosexual]

  Support Role
• 
  Lee Seo An

  Yeom Eun Hye [Korean Chinese]

  Support Role
• 
  Lee Tae Hyung

  Ahn Sung Tae [Former manager]

  Support Role
• 
  Kim Ji Hoon

  Sang Hoon

  Support Role

Guest Role

• 
  Park Ji Yun

  Park Myung Hee [Assistant director] (Ep. 9)

  Guest Role
• 
  Choi Yoo Ha

  [Mysterious woman] (Ep. 31)

  Guest Role
• 
  Kim Ha Yun

  Han Yu Ri

  Guest Role
• 
  Lee Chang Jik

  Chairman Shin

  Guest Role
• 
  Lee Sun Ah

  Seo So Jung [Actor]

  Guest Role
• 
  Lee Seung Hyung

  Goo Ki Baek [Agency representative]

  Guest Role
• 
  Kim Seo Kyung

  Ha Eun Jik [Berkeley music college]

  Guest Role
• 
  Park Sung Geun

  Sung Jae Duk [Jung Hee's husband]

  Guest Role
• 
  Park Min Ji

  Jung Yoo Jung [Photographer]

  Guest Role
• 
  Lee Sung Woo

  Jang Sun Du [Jang Il Goo's son]

  Guest Role
• 
  Lee Soo In

  Cho Ye Jin [Eun Ji's mother]

  Guest Role
• 
  Kan Mi Youn

  Lee Seo Won

  Guest Role
• 
  Kim Seon Hwa

  Bae Hee Jae [Stylist]

  Guest Role
• 
  Kim Nan Hee

  Do Se Yeon [Analyst]

  Guest Role
• 
  Kwak Min Seok

  Ko Sung Joon [Police Chief]

  Guest Role
• 
  Kim Bang Won

  Gye Su Gil [Chairman Shin's son-in-law]

  Guest Role
• 
  Son Ji Yoon

  Ju Bok Sun [Lady Park's housekeeper]

  Guest Role
• 
  Yong Jin

  [Reporter]

  Guest Role
• 
  Go Han Min

  [Policeman]

  Guest Role
• 
  Lee Hyo Rin

  Bang Mi Young

  Guest Role
• 
  Choi Da Hye

  Seong Hae In [Victim]

  Guest Role
• 
  Gu Jun Woo

  [Teasing kid]

  Guest Role
• 
  Yun Seo Jeong

  [Guardian]

  Guest Role
• 
  Lee Hyun Seo

  [Nursing teacher]

  Guest Role
• 
  Park Mi Ri

  Gam Ho Ja

  Guest Role
• 
  Kim Ji An

  Jo Seong Eun

  Guest Role
• 
  Kang Da Hyun

  Ye Ji [Eun Ji's adopted child]

  Guest Role
• 
  Kwak Gi Hun

  [Gangster #2]

  Guest Role
• 
  Lee Nam Hee

  [General director]

  Guest Role
• 
  Kim Sung Hoon

  [Mal Goo's subordinate]

  Guest Role
• 
  Bae Yu Ra

  [Prisoner]

  Guest Role
• 
  Kim Ji A

  Seo Soo Ji

  Guest Role

Unknown

• 
  Lee Jung Bin Unknown
• 
  Moon Yong Il Unknown
• 
  Park Mi Sook Unknown
• 
  Kim Sang Il Unknown
• 
  Yeom Ji Young Unknown
• 
  Jung Jong Woo Unknown
• 
  Kim Joo Ryoung Unknown