Min Hyeok Jang is a South Korean voice actor born on December 28, 1978. He began his career in 2006 when he joined the Korean Broadcasting System's voice acting division as part of its 32nd recruitment class. After working at KBS, he became a freelancer in 2009.

Early in his career, Jang Min Hyeok received recognition for his vocal performance, winning a KBS Radio Drama Award for Best New Voice Actor in 2008. He gained popularity for his work in dubbing foreign films, particularly as the Korean voice of actor Shia LaBeouf in films like Transformers and Indiana Jones and the Kingdom of the Crystal Skull, as well as for voicing Benedict Cumberbatch as Sherlock Holmes in the Korean dub of the British television series Sherlock.

In the field of anime and animation dubbing, Jang Min Hyeok has an extensive list of credits. He voices the character Lee Su-ho in the Korean dub of the animated series True Beauty, an adaptation of the popular webtoon. One of his notable roles is providing the Korean voice for Roy Mustang in the live-action film adaptation of Fullmetal Alchemist.

He has performed multiple roles across the Inazuma Eleven franchise. In Inazuma Eleven GO, he voices Gouichi Kurumada, whose name in the Korean dub is Gang-Il Cha. He continues his work in the series with Inazuma Eleven GO 2: Chrono Stone, where he voices both Alpha and Taiyou Amemiya. In Toradora!, he voices the character Yusaku Kitamura.

His other animation voice credits include Mako in The Legend of Korra, Drossel Cainz in Black Butler, and Mest Gryder in Fairy Tail. He has also voiced characters in Bleach, A Certain Magical Index, and Inuyasha: The Final Act.

Beyond television animation, Jang Min Hyeok has contributed to feature film dubbing. Notably, he provides the Korean voice for Kristoff in the Disney animated film Frozen. His film dubbing work also includes Neville Longbottom in Harry Potter and the Order of the Phoenix and Jarvis in Iron Man.

In the realm of video games, Jang Min Hyeok has voiced characters in several major titles. He provides the voices for the champions Ryze and Wukong in the Korean version of League of Legends. He has also performed voice work for the games MapleStory, where he voices the characters Kaiser and Magnus, as well as Fighters Club.