According to News1, Kim Do Yeon recently finished filming her part in tvNŌĆÖs new drama Cliffhanger. The role she took on is the childhood days of the main character Seo Yi Gang (played by Jun Ji Hyun). As she was dubbed ŌĆ£little Jun Ji HyunŌĆØ because of her cool features, tall height, and chic charm from her debut, the fact that she plays Jun Ji HyunŌĆÖs younger days became a hot topic. Kim Do Yeon debuted as a member of I.O.I in 2016 and now is promoting under her new group Weki Meki. Recently, she started expanding her career as an actor by appearing in the web drama Pop Out Boy! and her new drama My Roommate Is a Gumiho will air soon. Meanwhile, Cliffhanger is a mystery drama that will tell the story of people who climb through the mysterious and unexplored regions of KoreaŌĆÖs Mount Jiri. The drama is helmed and penned by Goblin and Mr. Sunshine director Lee Eung Bok and Kingdom writer Kim Eun Hee. Jun Ji Hyun, Ju Ji Hoon, Sung Dong Il, Oh Jung Se, and more will star the project. ┬Ā Source (1)

Weki Meki   s Kim Do Yeon to Act Child Days of Jun Ji Hyun in    Cliffhanger    - 40