Undercover Miss Hong

Director

• 
  Park Seon Ho

Screenwriter

• 
  Moon Hyun Kyung

Main Role

• 
  Park Shin Hye

  Hong Geum Bo / Hong Jang Mi / "Miss Hong"

  Main Role
• 
  Go Kyung Pyo

  Sin Jeong U

  Main Role
• 
  Ha Yoon Kyung

  Ko Bok Hui

  Main Role
• 
  Cho Han Gyeol

  Albert O / O A Ram / "AI Bon"

  Main Role

Support Role

• 
  Choi Ji Su

  Kang No Ra / Kang Eun Ju [Pil Beom's daughter]

  Support Role
• 
  Lee Deok Hwa

  Kang Pil Beom [Hanmin Securities founder]

  Support Role
• 
  Byun Jung Soo

  Choi In Ja [Pil Beom's 2nd wife]

  Support Role
• 
  Kim Hyung Mook

  O Deok Gyu [Pil Beom's son-in-law]

  Support Role
• 
  Kang Chae Young

  Kim Mi Suk / "MIss Kim" [Teller, Magang branch]

  Support Role
• 
  Kim Do Hyun

  Bang Jin Mok [Risk management division manager]

  Support Role
• 
  Jang Do Ha

  Lee Yong Gi [Risk management division manager]

  Support Role
• 
  Seo Hyun Chul

  So Gyeong Dong [Legendary trader and mentor to late president]

  Support Role
• 
  Im Chul Soo

  Cha Jeong Il [Hanmin research director]

  Support Role
• 
  Park Mi Hyun

  Song Ju Ran / Chief Secretary Song [Pil Beom's 24/7 confidante]

  Support Role
• 
  Kim Won Hae

  Yun Jae Beom [Capital Market Investigation Bureau director]

  Support Role
• 
  Han Soo Ho

  Nam Dong Gi [Capital Market investigation dept. team leader]

  Support Role
• 
  Lee Soo Mi

  Kim Sun Jeong [Geum Bo's mother]

  Support Role
• 
  Kim Young Woong

  Hong Cheon Seop [Geum Bo's father]

  Support Role
• 
  Jung Yi Rang

  Kim Nam Ju / "Tiger Headmistress" [Dormitory supervisor for single female workers in Seoul]

  Support Role

Guest Role

• 
  Shin Yu Na

  Hong Jang Mi [Geum Bo’s younger sister] (Ep. 1-2, 6, 10)

  Guest Role
• 
  Choi Won Young

  Kang Myeong Hui [Pil Beom's son] (Ep. 1)

  Guest Role
• 
  Kwon Hyuk

  Mr. Hwang [Geum Bo's colleague] (Ep. 1)

  Guest Role
• 
  Hwang In Jun

  Cho Du Pal (Ep. 1)

  Guest Role
• 
  Jung Hyun Woo

  [Lawyer] (Ep. 1)

  Guest Role
• 
  Park Jung Pyo

  [Prosecutor] (Ep. 1)

  Guest Role
• 
  Park Chul Min

  [Anchorman] (Ep. 1)

  Guest Role
• 
  Kim Roi Ha

  [Gangster] (Ep. 1)

  Guest Role
• 
  Woo Hyun Seo

  [Hairdresser] (Ep. 1)

  Guest Role
• 
  Park Byung Wook

  [Video store owner] (Ep. 1)

  Guest Role
• 
  Na Ho Sook

  [Street stall cashier] (Ep. 1)

  Guest Role
• 
  Kim Man Ho

  [Delivery man] (Ep. 3)

  Guest Role
• 
  Tae Hang Ho

  Park Gi Su (Ep. 4)

  Guest Role
• 
  Lee Myung Hee

  [Restaurant worker] (Ep. 4)

  Guest Role
• 
  Jo Young Mi

  [Motel clerk] (Ep. 4)

  Guest Role
• 
  Eom Ok Ran

  [Cleaning lady at Hanmin] (Ep. 7)

  Guest Role
• 
  Park Jeong Min

  [Bank client] (Ep. 8)

  Guest Role
• 
  Jasper Cho

  D.K. Lee (Ep. 8-10)

  Guest Role
• 
  Kim Jang Hwan

  [Anchorman] (Ep. 9)

  Guest Role
• 
  Lee Jae Nam

  [Police officer] (Ep. 9)

  Guest Role
• 
  Kim Ku Taek

  [Bank manager] (Ep. 10)

  Guest Role
• 
  Kim Se A

  Kim Bom

  Guest Role
• 
  Jeon Woon Jong

  Mr. Yun [Cheongsan accounting firm]

  Guest Role
• 
  Kim Geon Ho

  [Cheongsan accountant]

  Guest Role
• 
  Lee Soo Jung

  [Hanmin secretary]

  Guest Role
• 
  Kim Moon Ho

  [Magang branch manager]

  Guest Role
• 
  Lee Seop

  [Emergency room doctor]

  Guest Role