Bad Love

Director

• 
  Kim Mi Sook

Screenwriter

• 
  Hong Seung Hee

Main Role

• 
  Shin Go Eun

  Choi So Won

  Main Role
• 
  Lee Sun Ho

  Han Jae Hyuk

  Main Role
• 
  Oh Seung Ah

  Hang Yeon Soo

  Main Role
• 
  Yoon Jong Hwa

  Han Min Hyuk

  Main Role

Support Role

• 
  Cha Min Ji

  Choi Eun Hye [So Won & Ho Jin's sister]

  Support Role
• 
  Jeon Seung Bin

  Choi Ho Jin [So Won & Eun Hye's younger brother]

  Support Role
• 
  Lee Sang Sook

  Song Dan Shil [So Won & Eun Hye's mother]

  Support Role
• 
  Go Da Yun

  Han Yoo Jin

  Support Role
• 
  Jang Yong

  Han Suk Chun

  Support Role
• 
  Yoon Mi Ra Support Role
• 
  Nam Kyung Eup

  Han Tae Suk [Jae Hyuk & Min Hyuk's father]

  Support Role
• 
  Jung Ae Ri

  Jang Hwa Ran [Jae Hyeok's mother]

  Support Role
• 
  Shim Eun Jin

  Kate Han/Han Yoo Jin [Tae Suk's younger sister]

  Support Role
• 
  Jeon Jin Ki

  Park Sang Tae [Chief secretary of Noyu Group]

  Support Role
• 
  Shin Soo Ho Support Role
• 
  Song Young Jae

  President Kim

  Support Role
• 
  Kim Bang Won

  Assistant Jung

  Support Role
• 
  Chu Yeon Gyu

  Kim Yeon Chan

  Support Role
• 
  Shin Jun Chul

  [Research institute director]

  Support Role
• 
  Seo Kwang Jae

  Director Park

  Support Role
• 
  Sung Min Jun

  Ji Seung Chul

  Support Role
• 
  Lee Do Hyung

  Department Head Shin

  Support Role
• 
  Lee Ye Bit

  Choi Ha Eun

  Support Role

Guest Role

• 
  Jun Eun Mi

  [Medical store manager]

  Guest Role
• 
  Park Ji Won

  [Next door owner]

  Guest Role
• 
  Choi Hyoung Uk

  [Management staff]

  Guest Role
• 
  Mun Seong Ryong

  [Errand center employee]

  Guest Role
• 
  Sim So Yeon

  Kang Yoon Hee

  Guest Role
• 
  Oh Jae Se

  [Han Jae Hyuk's friend]

  Guest Role

Unknown

• 
  Lee Ji Hyun Unknown
• 
  Go Yoon Bin Unknown
• 
  Kim Han Na Unknown
• 
  Kim Hyun Chang Unknown