Jang Kim is a male Korean voice actor born on June 8, 1970, in Ulsan, South Korea. He is a graduate of the Seoul Institute of the Arts and began his professional career in 1997. He is affiliated with the talent agency Tooni Voice.

Jang Kim is primarily known for his extensive work dubbing anime into Korean, providing the voices for a wide array of characters across numerous popular series. His roles are diverse, ranging from lead protagonists to supporting characters in various genres. One of his most recognized roles is Saito Hiraga, the male lead from the popular isekai franchise The Familiar of Zero. He voiced the character across multiple installments, including the original series, The Familiar of Zero: Knight of the Twin Moons, and The Familiar of Zero: Rondo of Princesses.

In the mystery fantasy series Umineko - When They Cry, he voiced George Ushiromiya, the eldest grandchild of the Ushiromiya family. He also took on the role of the eccentric and powerful Masaru Hananakajima in the comedy series Sexy Commando Gaiden: Sugoi yo!! Masaru-san. His other notable anime voice credits include Yasumasa Teratani in both the I's series and its OVA I's Pure, Oliver May in Mobile Suit Gundam MS IGLOO: Apocalypse 0079, Kururu in Keroro Gunsō, Iuri (Iori Monaka) in Magical Meow Meow Taruto, and Prince Omar/Dandan in Time Quest!.

Beyond these specific roles, Jang Kim has voiced many other prominent characters in Korean-dubbed anime. His filmography includes iconic roles such as Son Gohan from Dragon Ball Z, Portgas D. Ace from One Piece, and Shiba Kaien from Bleach. He also provided the Korean voice for Zen in the popular otome game Mysterious Messenger. In a reflection on his work, he has noted that he found his own life experiences to be very similar to those of the character Zen.