The Beauty Inside

Composer

• 
  Eom Ki Yeop

Director

• 
  Song Hyun Wook

Executive Producer

• 
  Kim Woo Taek

Screenwriter

• 
  Im Me A Ri

Main Role

• 
  Seo Hyun Jin

  Han Se Gye

  Main Role
• 
  Lee Min Ki

  Seo Do Jae

  Main Role
• 
  Lee Da Hee

  Kang Sa Ra

  Main Role
• 
  Ahn Jae Hyun

  Ryu Eun Ho

  Main Role

Support Role

• 
  Lee Tae Ri

  Jung Joo Hwan [Do Jae's secretary]

  Support Role
• 
  Moon Ji In

  Yoo Woo Mi [Se Gye's best friend / manager]

  Support Role
• 
  Na Young Hee

  Im Jung Yun [Do Jae's mother]

  Support Role
• 
  Lee Moon Soo

  CEO Im [Do Jae's grandfather]

  Support Role
• 
  Kim Hee Jung

  Han Suk Hui [Han Se Gye's mother]

  Support Role
• 
  Lee Chul Min

  Director Kim [Do Jae's colleague]

  Support Role
• 
  Lee Han Wi

  [Eun Ho's father]

  Support Role
• 
  Kim Ye Ryung

  [Eun Ho's mother]

  Support Role
• 
  Oh Yoo Jin

  Ryu Ah Ram [Eun Ho's younger sister]

  Support Role
• 
  Ryu Hwa Young

  Chae Yoo Ri [Actress]

  Support Role
• 
  Choi Hyuk

  [Director Lee’s Asst. Dir]

  Support Role
• 
  Kwon Hae Sung

  Lee Hyun Seok

  Support Role
• 
  Kim Jong Suk

  Sung Woo Suk [Manager]

  Support Role
• 
  Kim Hye Ji

  Soo Jung [T’Way air staff]

  Support Role
• 
  Jung Eun Sung

  [T’Way air staff]

  Support Role
• 
  Park Geon

  Baek Sang Yong [Manager]

  Support Role
• 
  Shin Min Joo

  [Sa Ra's secretary]

  Support Role
• 
  Oh Se Young

  Joo Ga Young

  Support Role
• 
  Kong La Hee

  [Do Jae's mom's secretary]

  Support Role
• 
  Kim Young Hoon

  Choi Ki Ho

  Support Role
• 
  Seo Kwang Jae

  Doctor Oh

  Support Role
• 
  Kim Seung Wook

  Lee Hee Sup [Film director]

  Support Role
• 
  Kang Nam Gil

  Kang Dae Shik [Sa Ra's father]

  Support Role
• 
  Kim In Cheol

  Manager Kim

  Support Role
• 
  Kim Joo Young

  Choi Sung Woo

  Support Role
• 
  Park Gun

  Baek Sang Hyun [Manager]

  Support Role
• 
  Seo In Sung

  Han Se Gye

  Support Role

Guest Role

• 
  Kim Jun Hyun

  Han Se Gye (Ep.1)

  Guest Role
• 
  Choi Dae Chul

  Han Se Gye (Ep. 1-2)

  Guest Role
• 
  Kim Sung Ryung

  Han Se Gye (Ep. 1-2)

  Guest Role
• 
  Son Sook

  Han Se Gye (Ep. 1-2, 13)

  Guest Role
• 
  Ko Kyu Pil

  Han Se Gye (Ep. 2)

  Guest Role
• 
  Oh Kyung Min

  Han Se Gye (Ep. 2)

  Guest Role
• 
  Anastasiia Sokolova

  Han Se Gye (Ep. 2)

  Guest Role
• 
  Kim Min Seok

  Han Se Gye (Ep. 5-6)

  Guest Role
• 
  Lee Jin Mok

  Han Se Gye (Ep. 6)

  Guest Role
• 
  Lee Jae Soon

  Han Se Gye (Ep. 6)

  Guest Role
• 
  Lee Soo Ah

  Han Se Gye (Ep. 8)

  Guest Role
• 
  Moon Woo Jin

  Han Se Gye (Ep. 8-9)

  Guest Role
• 
  Ra Mi Ran

  Han Se Gye (Ep. 10)

  Guest Role
• 
  Jeon Young Woon

  Han Se Gye (Ep. 12-13)

  Guest Role
• 
  Jeon Hye Bin

  Han Se Gye (Ep. 16)

  Guest Role
• 
  Heo Jung Min

  Han Se Gye (Ep. 16)

  Guest Role
• 
  Ye Ji Won

  [Herself] (Ep.1)

  Guest Role
• 
  Kang So Ra

  [Herself] (Ep. 1)

  Guest Role
• 
  Ha Shi Eun

  [Herself, attending awards ceremony] (Ep.1)

  Guest Role
• 
  Nam Sung Jin

  Kim Tae Jin [Chairman] (Ep.1)

  Guest Role
• 
  Kim Ki Doo

  [Doctor] (Ep. 1)

  Guest Role
• 
  Choi Yoon Joon

  [Fund raising event] (Ep. 1)

  Guest Role
• 
  Lee Jae Yoon

  [Himself] (Ep. 1, 4)

  Guest Role
• 
  Jo Hyun Sik

  [Delivery man] (Ep.2)

  Guest Role
• 
  Han So Eun

  [Do Jae's blind date] (Ep. 2)

  Guest Role
• 
  Joo Boo Jin

  [Twin sisters at buffet] (Ep.3)

  Guest Role
• 
  Yoon Woo Ri

  [Auctionee] (Ep. 5)

  Guest Role
• 
  Park Hyun Jung

  [Suicidal mom] (Ep. 5, 7-9)

  Guest Role
• 
  Seo Hye Jin

  [Se Kye's friend] (Ep. 6)

  Guest Role
• 
  Seong Chan Ho

  [Airline reps. Luncheon] (Ep. 6)

  Guest Role
• 
  Park Yong

  [Get together attendee] (Ep. 6-7)

  Guest Role
• 
  Shim Young Min

  [Get together attendee] (Ep. 6-7)

  Guest Role
• 
  Yoo Young Bok

  [Get together attendee] (Ep. 6-7)

  Guest Role
• 
  Song Kyung Eui

  [Doctor] (Ep. 9)

  Guest Role
• 
  Lee Yong Nyeo

  [Shaman] (Ep. 9)

  Guest Role
• 
  Kwon Chan Min

  [Deliveryman] (Ep. 9)

  Guest Role
• 
  Kim Gwang In

  [Doctor] (Ep. 10)

  Guest Role
• 
  Choi Ji Hui

  [Bumped shopper] (Ep. 12)

  Guest Role
• 
  Kim Ji Su

  [Nurse] (Ep. 12)

  Guest Role
• 
  Heo Young Ji

  [Se Gye's fan] (Ep. 13)

  Guest Role
• 
  Kim Woo Jin

  [Pedestrian] (Ep. 14)

  Guest Role
• 
  Lee Jung Hyuk

  Yoon Ha [Runner movie cast] (Ep. 16)

  Guest Role
• 
  Shin Won Ho

  Min Woo

  Guest Role
• 
  Kim Myung Kook

  Jang Kyung Goo

  Guest Role
• 
  Hwang Hee Jung

  [Actress]

  Guest Role
• 
  Jeong Young Do

  [Reporter]

  Guest Role
• 
  Kim Bum Jin

  [Se Gye's date]

  Guest Role
• 
  Seo Eun Chae

  [Sa Ra's secretary]

  Guest Role
• 
  Ok Joo Ri

  [Woman at airport]

  Guest Role
• 
  Kim Ji Hyun

  [T’Way stewardess]

  Guest Role
• 
  Kim Dae Hyun

  [Private investigator]

  Guest Role
• 
  Park Min Young

  [Reality show writer]

  Guest Role
• 
  Seo Yi Soo

  [Lost child in restaurant]

  Guest Role
• 
  Kim Joo Ah

  [Sung Woo's mother] (Ep. 6)

  Guest Role
• 
  Park Joon Soo

  [Youngest assistant director]

  Guest Role
• 
  Shin Hee Gook

  [Fighting student at police station]

  Guest Role
• 
  Myung Seok Geun

  [Speaks unkind words about Se Gye on street]

  Guest Role
• 
  Lee Ga Ryeong

  [Actress]

  Guest Role
• 
  Yoon Ye Won

  ["Entertainment Inside" reporter]

  Guest Role
• 
  Lee Yoon Hee

  [Priest]

  Guest Role
• 
  Park Myung Hoon Guest Role
• 
  Moon Woo Bin Guest Role
• 
  Moon Sook Guest Role
• 
  Gong Min Gyu Guest Role
• 
  Kim Do Ah Guest Role
• 
  Baek Sang Hee Guest Role
• 
  Park Ok Chool

  [Drinks deliverywoman] (Ep. 2)

  Guest Role
• 
  Yoo Geum

  [Tour group woman] (Ep. 4)

  Guest Role
• 
  Yoo Young Bin Guest Role
• 
  Jung Hee Young

  [Jogger] (Ep. 13)

  Guest Role
• 
  Lee Ja Ryoung

  [Grocery store employee] (Ep. 7)

  Guest Role
• 
  Han Ah Reum

  [Auditionee] (Ep. 5)

  Guest Role
• 
  Lee Su Min

  Park Sang Joon (Ep. 6)

  Guest Role
• 
  Kim Geun Yeong

  [Century C]

  Guest Role
• 
  Park Shin Hye

  Han Se Kye (Ep. 2)

  Guest Role
• 
  An Young Mi

  [Hospital lobby woman] (Ep. 1)

  Guest Role
• 
  Kwon Ban Suk

  [Detective] (Ep. 6)

  Guest Role
• 
  Kim Jin Ok

  [Hospital lobby woman] (Ep. 1)

  Guest Role
• 
  Shin Tae Yang

  [Hospital Kid]

  Guest Role
• 
  Jo Hyun Im Guest Role
• 
  Carla Avila Guest Role
• 
  Lee Jung Woo Guest Role
• 
  Pyo Dong Jun Guest Role

Unknown

• 
  Kim Byung Chul Unknown
• 
  Im Ji Min Unknown