Song Junseok is a South Korean voice actor born on January 18, 1969, in the Jeolla region. He began his career in the voice acting industry in 1997 after joining the Munhwa Broadcasting Corporation's voice acting division as part of its 14th cohort. While he started at MBC, he later became a freelancer.

He is primarily known for his extensive work dubbing anime series for the Korean market. Among his most recognized roles are the lead character Shinichi Chiaki in the Nodame Cantabile anime series, including Nodame Cantabile: Paris and Nodame Cantabile: Finale. He also voiced the character Tetsu in both the television series She, The Ultimate Weapon and its related original video animation, SaiKano: Another Love Song. Another prominent role is Kuroro Lucifer in the 1999 television version of Hunter X Hunter and its subsequent original video animation.

Beyond these, his filmography includes a wide range of characters in popular anime series. He provided the Korean voice for Pain in Naruto Shippuden, Kaname Tousen in Bleach, and Makoto Itou in School Days. His other credits include Fuuma Monou in the movie X, Shizuka Doumeki in xxxHOLiC, Hatori Sohma in Fruits Basket, and multiple characters in Mobile Suit Gundam Seed, including Dearka Elsman. He has also voiced characters in series such as Inazuma Eleven, Death Note, D.N.Angel, The Future Diary, and Zatch Bell. In addition to animation, his work extends to dubbing foreign films and television series, such as the role of Warrick Brown in the Korean broadcast of CSI: Crime Scene Investigation. His career demonstrates a consistent and significant contribution to bringing Japanese anime to Korean audiences.