The King’s Warden

Screenwriter

• 
  Hwang Sung Goo

Screenwriter & Director

• 
  Jang Hang Joon

Main Role

• 
  Yoo Hai Jin

  Um Heung Do

  Main Role
• 
  Park Ji Hoon

  King Dan Jong / Yi Hong Wi

  Main Role
• 
  Yoo Ji Tae

  Han Myeong Hoe

  Main Role
• 
  Jeon Mi Do

  Mae Hwa

  Main Role
• 
  Kim Min

  Um Tae San

  Main Role

Support Role

• 
  Park Ji Yun

  Mak Dong

  Support Role
• 
  Lee Joon Hyuk

  [Mak Dong's uncle]

  Support Role
• 
  Kim Soo Jin

  [Mak Dong's mother]

  Support Role
• 
  Baek Do Gyum

  Wang Bang Yeon [King's official]

  Support Role
• 
  Jung Jin Woon

  Cho Yu Rye [Geum Seong's trusted aide]

  Support Role
• 
  Oh Dal Soo

  Old Man Yun [Oldest person in Gwangcheongol]

  Support Role

Guest Role

• 
  Park Ji Hwan

  Eo Seo Gyeom [Yeongwol county governor]

  Guest Role
• 
  Lee Jun Hyuk

  Grand Prince Geum Seong [Hong Wi’s uncle]

  Guest Role
• 
  Ahn Jae Hong

  [Norugol village chief]

  Guest Role
• 
  Jang Hyun Sung

  [Person receiving the Korean text]

  Guest Role

Bit part

• 
  Park Kyung Kwan

  Jang Su

  Bit part
• 
  Hong Sung Pyo

  Yi Bang

  Bit part
• 
  Bae Seong Il

  Ha Wi Ji [Minister]

  Bit part
• 
  Im Seung Dae

  Seong Sam Mun [Minister]

  Bit part
• 
  Lee Si Hyung

  Park Paeng Nyeon [Minister]

  Bit part
• 
  Kim Yong Seok

  Yoo Gwi San [Hanseong magistrate]

  Bit part
• 
  No Kyung

  Yi Bo Heum [Sunheung magistrate]

  Bit part
• 
  Yang Seung Ri

  Yi Don Nyeong [Gicheon county magistrate]

  Bit part
• 
  Han Jong Hoon

  "One-eyed Man" [Messenger of Venus]

  Bit part
• 
  Kim Feel

  [Substitute #1]

  Bit part
• 
  Oh Hyun Soo

  [Substitute #2]

  Bit part
• 
  Park Wan Kyu

  [Substitute #3]

  Bit part
• 
  Song Chang Gyu

  [Nobleman #1]

  Bit part
• 
  Woo Jung Kook

  [Nobleman #2]

  Bit part
• 
  Kwon Hyung Joon

  [Nobleman #3]

  Bit part
• 
  Kim Si Hyun

  [Justice minister]

  Bit part
• 
  Lee Tae Young

  [Sunheung slave]

  Bit part
• 
  Choi E Jun

  [Gwangcheongol child]

  Bit part
• 
  Lee Jin Han

  [Yeongwol official military]

  Bit part
• 
  Yoo In Hyuk

  [Myeong Hoe's subordinate]

  Bit part
• 
  Jo Young Ae

  [Norugol village chief's wife]

  Bit part

Voice Actor

• 
  Jang Hang Joon

  Um Ja Chi [Eunuch]

  Voice Actor