George Castiglia is an Italian voice actor, born in Rome on September 28, 1981, who is primarily recognized for his extensive work in dubbing foreign productions into Italian, particularly anime series and films. He began his career in voice acting at a young age, contributing to Italian dubs for a wide range of animated and live-action content.

Castiglia is notably associated with the role of King, the Grizzly's Sin of Sloth, from the popular fantasy anime series The Seven Deadly Sins. He provided the Italian voice for this character across multiple installments of the franchise, including the television series The Seven Deadly Sins: Revival of The Commandments, The Seven Deadly Sins: Imperial Wrath of The Gods, The Seven Deadly Sins: Dragon's Judgement, and the film The Seven Deadly Sins: Cursed by Light. His portrayal of King is one of his most prominent roles in anime dubbing.

His other significant anime voice roles include Quatre Raberba Winner in the Mobile Suit Gundam Wing film Endless Waltz Special Edition. He also voiced the character Kanta in the Studio Ghibli classic My Neighbor Totoro for its Italian release. In the anime series Spider Riders and Spider Riders: Yomigaeru Taiyou, he voiced the character Hunter Steele. Further demonstrating his range, he lent his voice to Joe in Battle B-Daman: Fire Spirits and Yousuke Ichimura in the I''s OAV series.

Beyond the roles listed, Castiglia's anime voice work is quite varied. He voiced Renton Thurston in Eureka Seven and Shobu Kirifuda in Duel Masters. He also contributed to the Italian versions of major franchises, providing voices for Crilin in the first Dynamic Italia dubs of early Dragon Ball films and for Marcel in Attack on Titan. His work also extends to other animated productions, such as being the voice of the young Simba in the Italian dubbing of Disney's The Lion King.