The Heirs

Chief Producer

• 
  Choi Moon Seok

Composer

• 
  Park Se Jun

Director

• 
  Kang Shin Hyo
• 
  Boo Sung Chul

Producer

• 
  Lee Sung Hoon
• 
  Yun Ha Rim

Screenwriter

• 
  Kim Eun Sook

Main Role

• 
  Lee Min Ho

  Kim Tan

  Main Role
• 
  Park Shin Hye

  Cha Eun Sang

  Main Role
• 
  Kim Woo Bin

  Choi Yeong Do

  Main Role

Support Role

• 
  Kim Ji Won

  Yoo Rachel

  Support Role
• 
  Kang Min Hyuk

  Yoon Chan Yeong [Eun Sang's best friend]

  Support Role
• 
  Choi Jin Hyuk

  Kim Won [Kim Tan's half-brother]

  Support Role
• 
  Kang Ha Neul

  Lee Hyo Sin

  Support Role
• 
  Krystal Jung

  Lee Bo Na [Chan Yeong's girlfriend]

  Support Role
• 
  Park Hyung Sik

  Jo Myung Soo

  Support Role
• 
  Kim Mi Kyung

  Park Hui Nam [Eun Sang's mother]

  Support Role
• 
  Choi Won Young

  Yoon Jae Ho [Chan Yeong's dad]

  Support Role
• 
  Jung Dong Hwan

  Kim Nam Yun [Kim Tan's dad]

  Support Role
• 
  Choi Jin Ho

  Choi Dong Uk [Young Do's dad]

  Support Role
• 
  Park Jun Gum

  Jung Ji Seok [Nam Yun's wife]

  Support Role
• 
  Choi Tae Hwan

  Lee Sang U

  Support Role
• 
  Jeon Soo Jin

  Kang Ye Seol

  Support Role
• 
  Hwang Bo Mi

  Kang Han Na

  Support Role
• 
  Jo Yoon Woo

  Moon Joon Yeong

  Support Role
• 
  Yang Seung Pil

  Hyo Jun

  Support Role
• 
  Jung Won Joong

  Lee Chan Hyuk

  Support Role
• 
  Kim Sung Ryung

  Han Ki Ae

  Support Role
• 
  Baek Seung Hyun

  Secretary Jung

  Support Role
• 
  Kim Seung Wook

  Jung Ji Hoon

  Support Role
• 
  Im Ju Eun

  Jun Hyun Ju

  Support Role
• 
  Yoon Son Ha

  Lee Esther

  Support Role
• 
  Moon Ah Ram

  Lee Yoon A

  Support Role
• 
  Jung Ga Ram

  [Student]

  Support Role

Guest Role

• 
  Yoon Jin Seo

  Cha Eun Suk / Stella [Eun Sang's older sister] (Ep. 1)

  Guest Role
• 
  Lee Ga Won

  [Herself] (Ep. 4)

  Guest Role
• 
  Jung Da Eun

  [Herself] (Ep. 4)

  Guest Role
• 
  Seo Eun Kwang

  [Himself] (Ep. 4)

  Guest Role
• 
  Lee Min Hyuk

  [Himself] (Ep. 4)

  Guest Role
• 
  Lee Chang Sub

  [Himself] (Ep. 4)

  Guest Role
• 
  Im Hyun Sik

  [Himself] (Ep. 4)

  Guest Role
• 
  Peniel

  [Himself] (Ep. 4)

  Guest Role
• 
  Jung Il Hoon

  [Himself] (Ep. 4)

  Guest Role
• 
  Yook Sung Jae

  [Himself] (Ep. 4)

  Guest Role
• 
  Cha Hak Yeon

  [Himself] (Ep. 4)

  Guest Role
• 
  Hyuk

  [Himself] (Ep. 4)

  Guest Role
• 
  Leo

  [Himself] (Ep. 4)

  Guest Role
• 
  Ken

  [Himself] (Ep. 4)

  Guest Role
• 
  Ravi

  [Himself] (Ep. 4)

  Guest Role
• 
  Lee Hong Bin

  [Himself] (Ep. 4)

  Guest Role
• 
  Kim Hee Chul

  [Himself / Music program MC] (Ep. 4)

  Guest Role
• 
  Lee Ga Ryeong

  [Clothing store employee] (Ep. 7, 20)

  Guest Role
• 
  Choi Ji Na

  Yoo Kyung Ran [Young Do's mother] (Ep. 14, 20)

  Guest Role
• 
  Jung Joo Hee

  [Announcer] (Ep. 15-16)

  Guest Role
• 
  Wang Ji Won

  Yang Da Kyung [Kim Won's arranged date] (Ep. 17, 19-20)

  Guest Role
• 
  Lee Hyun Jin

  [Bo Na's brother] (Ep. 19)

  Guest Role
• 
  Dean Dawson

  Prof. John S. Keating (Ep. 20)

  Guest Role
• 
  Jung Chan Woo

  Kim Tan [Teen]

  Guest Role
• 
  Jeon Jin Seo

  Kim Tan [Child]

  Guest Role
• 
  Yang Hyun Mo

  Choi Yeong Do [Young]

  Guest Role
• 
  Kim Hyo Myung

  [Student]

  Guest Role
• 
  Lee Joon Woo

  [Student]

  Guest Role
• 
  Kim Kwon

  [Se Ryun's PD]

  Guest Role
• 
  Yang Hyun Min

  [Hotel manager]

  Guest Role
• 
  Lee Yeon Kyung

  [Bo Na's mother]

  Guest Role
• 
  Park Woo Cheon

  [Kim Tan's cousin]

  Guest Role
• 
  Choi Eun Kyung

  [Ye Seol's mother]

  Guest Role
• 
  Park Young Ji

  [Da Kyung's father]

  Guest Role
• 
  Cha Seo Won

  [Man on blind date]

  Guest Role
• 
  Seo Yi Sook

  [Hyo Shin's mother]

  Guest Role
• 
  Kang Kyung Hun

  [Dong Wook's lover]

  Guest Role
• 
  Kwon Hong Seok

  [Mango Cafe's owner]

  Guest Role
• 
  Ra Mi Ran

  [Myung Soo's mother]

  Guest Role
• 
  Hwang Young Hee

  [Jeguk High School teacher]

  Guest Role
• 
  Jo Mi Nyeo Guest Role
• 
  Kim Seon Eun Guest Role

Unknown

• 
  Han Jae Uk Unknown
• 
  Yoon Byung Hee Unknown
• 
  Seo Jin Wook Unknown