Master's Sun

Assistant Director

• 
  Kim Seung Ho

Composer

• 
  Oh Joon Sung

Director

• 
  Jin Hyeok

Producer

• 
  Lee Sung Hoon

Screenwriter

• 
  Hong Jeong Eun
• 
  Hong Mi Ran

Main Role

• 
  Kong Hyo Jin

  Tae Gong Shil / "Tae Yang"

  Main Role
• 
  So Ji Sub

  Joo Joong Won / "Joo Goon"

  Main Role
• 
  Seo In Guk

  Kang Woo

  Main Role
• 
  Kim Yoo Ri

  Tae Yi Ryung

  Main Role

Support Role

• 
  Choi Jung Woo

  Kim Gwi Do [Joong Won's secretary]

  Support Role
• 
  Kim Mi Kyung

  Ju Seong Ran [Jung Won's aunt]

  Support Role
• 
  Lee Jong Won

  Do Seok Cheol [Seong Ran's husband]

  Support Role
• 
  Lee Jae Won

  Lee Han Joo [Security team member]

  Support Role
• 
  Jung Ga Eun

  An Jin Ju [Kingdom shopping mall employee]

  Support Role
• 
  Han Bo Reum

  Cha Hee Joo [Joong Won's dead first love] / Hanna

  Support Role
• 
  Kim Myung Soo

  Joo Joong Won [Young]

  Support Role
• 
  Kim Yong Gun

  Chairman Joo [Joong Won's father]

  Support Role
• 
  Park Hee Von

  Tae Gong Ri

  Support Role
• 
  Lee Do Hyun

  Lee Seung Mo [Kid in Gong Shil's apartment]

  Support Role
• 
  Hong Eun Taek

  Lee Seung Joon [Kid in Gong Shil's apartment]

  Support Role
• 
  Go Nak Hyun

  Joon Suk [Coffee ghost]

  Support Role
• 
  Hwang Sun Hee

  Han Na Brown

  Support Role
• 
  Lee Yong Nyeo

  Mrs. Go

  Support Role
• 
  Ha Su Ho

  Sung Hoon

  Support Role
• 
  Lee Geum Ju

  [Seung Won's mother]

  Support Role
• 
  Kim Yoon Joo

  [Jin Joo's colleague]

  Support Role
• 
  Jo Seung Yun

  Yoon Gi Taek

  Support Role

Guest Role

• 
  Jin Yi Han

  Yoo Hye Seong [Athlete] (Ep. 1)

  Guest Role
• 
  Kim Dong Gyun

  [Gambler son] (Ep. 1)

  Guest Role
• 
  Lee Seung Hyung

  [Hye Sung's manager] (Ep. 1)

  Guest Role
• 
  Lee Sung Woo

  [Gong Shil's date] (Ep. 1)

  Guest Role
• 
  Nam Myeong Ryeol

  [Man unwilling to sell his house] (Ep. 1)

  Guest Role
• 
  Kim Min Ha

  Park Ji Eun [Classmate who wanted to scare the clique](Ep. 2)

  Guest Role
• 
  Kim Bo Ra

  Ha Yoo Jin [Schoolgirl clique] (Ep. 2)

  Guest Role
• 
  Bang Min Ah

  Kim Ga Yeong [Schoolgirl clique] (Ep. 2)

  Guest Role
• 
  Park Hyo Bin

  Lee Joo Hyeon [Schoolgirl] (Ep. 2)

  Guest Role
• 
  Lee Hye In

  Lee Eun Seol [Ghost student] (Ep. 2)

  Guest Role
• 
  Kim Sang Joong

  [Host of Mystery Z TV show] (Ep. 2)

  Guest Role
• 
  Yoo Kyung Ah

  Choi Yoon Hee [Red shoe ghost] (Ep. 3)

  Guest Role
• 
  Baek Seung Hyun

  [Yoon Hee's husband] (Ep. 3)

  Guest Role
• 
  Jang Ga Hyun

  [Red lipstick ghost] (Ep. 4)

  Guest Role
• 
  Yoo Min Kyu

  Ji Woo [Ghost] (Ep. 5)

  Guest Role
• 
  Kim Bo Mi

  Sun Young [Milk delivery girl] (Ep. 5)

  Guest Role
• 
  Jeon Yang Ja

  CEO Wang [Ji Woo's grandmother] (Ep. 5)

  Guest Role
• 
  Hong Won Pyo

  Hyeong Cheol [Soldier](Ep. 6)

  Guest Role
• 
  Jeon Jin Seo

  [Child ghost] (Ep. 6-7)

  Guest Role
• 
  Kang Joo Eun

  [Child ghost] (Ep. 6-7)

  Guest Role
• 
  Jo Hwi Joon

  Chang Min [Child absue victim] (Ep. 7)

  Guest Role
• 
  Jung Yoon Suk

  [Doll ghost] (Ep. 7)

  Guest Role
• 
  Jo Se Ho

  [Park by-passer couple] (Ep. 7)

  Guest Role
• 
  Jang Do Yeon

  [Park by-passer couple] (Ep. 7)

  Guest Role
• 
  Kim Hee Jung

  Kang Gil Ja [Water ghost lady] (Ep. 8)

  Guest Role
• 
  An So Jin

  [Daughter of the hotel ghost] (Ep. 8)

  Guest Role
• 
  Jung Chan

  Louis Jang [Pianist] (Ep. 9)

  Guest Role
• 
  Lee Hyo Rim

  [Louis Jang's wife] (Ep. 9)

  Guest Role
• 
  Seo Hyo Rim

  Park Seo Hyun [Chaebol heiress] (Ep. 9-10)

  Guest Role
• 
  Lee Jong Hyuk

  Lee Jae Suk [Giant's CEO] (Ep. 11)

  Guest Role
• 
  Lee Jae Yong

  Lee Yong Jae [Giant's Chairman - Ghost] (Ep. 11)

  Guest Role
• 
  Gu Seung Hyun

  Woo Jin [Ghost](Ep. 12, 16)

  Guest Role
• 
  Uhm Soo Jung

  [Woo Jin's mother] (Ep. 12, 16)

  Guest Role
• 
  Jo Jae Yun

  [Man haunted by ghost wife] (Ep. 14)

  Guest Role
• 
  Go Mi Young

  [Homeroom teacher]

  Guest Role
• 
  Lee Chun Hee

  Yoo Jin Woo (Ep. 14-17)

  Guest Role
• 
  Song Chae Yun

  Mi Kyung

  Guest Role
• 
  Seo Kwang Jae

  [Doctor]

  Guest Role
• 
  Sung Chang Hoon

  [Ghost]

  Guest Role
• 
  Yoon Chae Eun

  [Candy girl]

  Guest Role
• 
  Yoo Chae Mok

  [Chang Min's mother]

  Guest Role
• 
  Park Sook Myung

  [Soul Wedding mother]

  Guest Role
• 
  Han Seo Yeon

  [Gong Sil and I Ryung's high school alumns]

  Guest Role
• 
  Choi Dae Sung

  [Advertising director of photography]

  Guest Role
• 
  Lee Ga Ryeong

  [Ghost woman victim at Kingdom party]

  Guest Role
• 
  Mi So Yun

  [Woman who shows Hanna's pic]

  Guest Role
• 
  Kim Jae Il Guest Role
• 
  Kim Ga Eul Guest Role
• 
  Gu Bon Im Guest Role
• 
  Hwang Jung Seo

  [Ji Sang Woo's mistress / Dahlia employee]

  Guest Role

Unknown

• 
  Im Jung Ok Unknown