Still 17 is a 2018 South Korean television series starring Shin Hye-sun, Yang Se-jong and Ahn Hyo-seop. It aired on SBS TV from July 23 to September 18, 2018, every Monday and Tuesday at 22:00 (KST) for 32 episodes.

Shin Hye-sun is a South Korean actress. She made her debut in the television series School 2013. In 2017, Shin played her first leading role and became well known in the weekend drama, My Golden Life, which garnered more than 8 million viewers. She is also best known for her other leading roles in Korean dramas such as Still 17 (2018), Angel's Last Mission: Love (2019), Mr. Queen (2020–2021), See You in My 19th Life (2023), and Welcome to Samdal-ri (2023–2024).