Lim Donghyun better known as Lee Dohyun 이도현 is a South Korean actor and model managed by Yuehua Entertainment He is known for his prominent roles in Sweet Home Hotel del Luna and 18 Again Lee Dohyun made his acting debut in the 2017 black comedy Prison Playbook in which he portrayed the young version of Jung Kyunghos character In 2018 Lee was cast in the romantic television series Still 17 as a member of the high schools rowing club as well as the second male leads best friend For his performance he was nominated in the Character of the Year category at the 2018 SBS Drama Awards alongside Ahn Hyoseop and Jo Hyunsik The three actors performed gods One Candle during the ceremony The same year Lee also appeared in Clean with Passion for Now playing the female leads younger brother and a promising Taekwondo athlete In 2019 Lee joined the cast of the dark fantasy television series Hotel del Luna which became one of the highestrated Korean dramas in cable television He also made a special appearance in tvNs The Great Show Lee starred in Scouting Report the fifth drama of KBS Drama Specials tenth season for which he won the Best Actor in a OneActSpecialShort Drama Award at the 33rd KBS Drama Awards In 2020 Lee starred in the romantic comedy 18 Again based on the American film 17 Again where he played Zac Efrons counterpart This was Lees first lead role in his career albeit a joint lead role he shared with Yoon Sanghyun Later that year he also starred as Lee Eunhyuk the second leading male character in Netflixs Sweet Home adapted from the webtoon of the same name