Kim Dong-hyun (born 12 February 1989), also known mononymously as Donghyun, is a South Korean actor, model and singer. He is known for his leads roles in dramas such as The Miracle, Good Morning Double-Decker Bus and The 1km Distance Between Us. He is a member of BF.
He was born on February 12, 1989, in Seoul. He completed his studies in Myongji University. In addition to his musical activities, he also joined acting, with his first acting in MBC drama Elephant in 2008. Donghyun and his bandmates made their acting debuts in the 2013 Japanese idol drama GOGO Ikemen 5. He also starred in the 2016 Korean television drama The Miracle.