Still 17

Gong Woo-Jin is a 30-year-old single man and he works as a set designer. Due to a trauma he experienced 13 years ago, he does not want to have a relationship with others. When Woo Seo-Ri was 17, she fell into a coma. 13 years later, she wakes up from her coma. Her mental age is still that of a 17-year-old, but she is now 30-years-old. Gong Woo-Jin and Woo Seo-Ri get involved with each other and fall in love.

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  Yang Se-jong

  Gong Woo-Jin
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  Shin Hye-sun

  Woo Seo-Ri
• 
  Ahn Hyo-seop

  Yoo Chan
• 
  Ye Ji-won

  Jennifer
• 
  Wang Ji-won

  Kim Tae-Rin
• 
  Jung Yoo-jin

  Kang Hee-Soo
• 
  Sieun

  Woo Seo-Ri (young)
• 
  Yoon Chan-young

  Gong Woo-Jin (young)
• 
  Ahn Seung-gyun

  Jin-hyun
• 
  Jo Hyun-sik

  Han Duk-soo