The Treacherous

Cinematography

• 
  Park Hong Yeol

Composer

• 
  Kim Jun Sung

Editor

• 
  Kim Sun Min

Executive Producer

• 
  Min Jin Soo

Martial Arts Director

• 
  Shin Jae Myung

Screenwriter & Director

• 
  Min Kyu Dong

Main Role

• 
  Ju Ji Hoon

  Im Sung Jae

  Main Role
• 
  Kim Kang Woo

  Prince Yeon San

  Main Role
• 
  Im Ji Yeon

  Dan Hui

  Main Role
• 
  Lee Yoo Young

  Seol Jung Mae

  Main Role

Support Role

• 
  Cheon Ho Jin

  Im Sa Hong

  Support Role
• 
  Song Young Chang

  Yoo Ja Gwang [Head of Ministry of Noble Leaders]

  Support Role
• 
  Jo Han Chul

  Park Won Jong [Head of ministry of military]

  Support Role
• 
  Cha Ji Yeon

  Jang Nok Soo [Singer voice]

  Support Role
• 
  Jang Gwang

  [Prime minister of the Joseon dynasty]

  Support Role
• 
  Jung In Ki

  [Head of Sungkyunkwan]

  Support Role
• 
  Ki Joo Bong

  Mr. Kim [Butcher]

  Support Role
• 
  Kim Kang Il

  Zhang Li

  Support Role
• 
  Eom Ji Man

  Chae Hong Ja

  Support Role
• 
  Kim Young Joo

  Detective Chae

  Support Role
• 
  Lee Jung Chul

  [Minister]

  Support Role
• 
  Kim Hak Ryong

  [Minister]

  Support Role
• 
  Kim Hee Chang

  [Royal physician]

  Support Role
• 
  Lee Yoon Ji

  I Sol [Head instructors' child]

  Support Role

Guest Role

• 
  Kim Sun Ha

  [Nobleman Jo's daughter]

  Guest Role
• 
  Kim Young Seon

  [Chief eunuch]

  Guest Role
• 
  Son Soo Hyun

  [Woman at hunting ground]

  Guest Role
• 
  Park Joo Hee

  [Banquet dancer on the water]

  Guest Role
• 
  Seo Ji Seung

  [Prime Minister's daughter]

  Guest Role
• 
  Cho Ah Ra

  [Palace gisaeng]

  Guest Role

Bit part

• 
  Kim Yoon Chan

  [His Excellency Jo's maid]

  Bit part
• 
  Yoon Young Kyun

  [Chief of Naegeumwi]

  Bit part
• 
  Park Eun Young

  [Court lady]

  Bit part
• 
  Kwak Ja Hyung

  [Militia general]

  Bit part
• 
  Kim Ri Won

  [Prime minister banquet dancer]

  Bit part
• 
  Kang Hyun Joong

  [Neungjoo people]

  Bit part
• 
  Lee Do Ah

  [Lady who trains and takes care of gisaeng]

  Bit part
• 
  Jeon Yeo Been

  [Woman having queen’s fate by Physiognomy]

  Bit part
• 
  Ryu Abel

  [Wife of high ranking public officer]

  Bit part
• 
  Im Yong Soon

  [Retainer]

  Bit part
• 
  Jo Jung Yoon

  [Gisaeng of Yongbongkak]

  Bit part
• 
  Kim Jong Goo

  Nobleman Jo

  Bit part
• 
  Kim Tae Hee

  [Prime minister banquet dancer]

  Bit part
• 
  Jo Myung Haeng

  [Roughneck]

  Bit part
• 
  Jung Da Won

  [Gambler's daughter]

  Bit part
• 
  Keum Dong Hyun

  [Physiognomist]

  Bit part
• 
  Go Kyung Pyo

  Prince Jinsung

  Bit part
• 
  Park Sang Hoon

  [Kim Il Son beheaded government army]

  Bit part
• 
  Kim Do Young

  Joo Mo

  Bit part
• 
  Noh Jae Hoon

  [Im Sa Hong's valet]

  Bit part
• 
  Jo Young Ae

  [Gisaeng at Yongbonggak]

  Bit part
• 
  Hwang Dong Hee

  [Warrior]

  Bit part
• 
  Kim Nan Hee

  [Discipline court lady]

  Bit part
• 
  Min Sung Wook

  [Soldier]

  Bit part
• 
  Jeong Man Sik

  [Assassin]

  Bit part
• 
  Seo Young Joo

  Im Sung Jae [Teen]

  Bit part
• 
  Kim Hyun Soo

  Dan Hee [Teen]

  Bit part
• 
  Choi Il Hwa

  Kim Il Son

  Bit part
• 
  Moon Hee Kyung

  [Discipline court lady]

  Bit part
• 
  Jang Yoon Jung

  [Gisaeng at Yongbonggak]

  Bit part
• 
  Ahn Hyun Jung

  [Court lady]

  Bit part
• 
  Oh Chang Kyung

  [Gambler]

  Bit part
• 
  Kim Soo Yeon

  [Cotton flannel painting model court lady]

  Bit part
• 
  Choi Young Do

  [People of Neungju]

  Bit part
• 
  Yoon Se Eun

  [Gisaeng of Yongbongkak]

  Bit part
• 
  Jeon Da Sol

  [Fortune teller]

  Bit part
• 
  Lee Jong Woon

  [Court minister]

  Bit part
• 
  Shim Eun Jin

  [Owner of Yongbonggak]

  Bit part
• 
  Lee Je Ha Bit part
• 
  Kim Ji Tae Bit part
• 
  Joo Ga Young Bit part
• 
  Park Kyung Chan

  [Man drinking poison]

  Bit part

Unknown

• 
  Amy Unknown
• 
  Lee Bo Ra Unknown