Zach Bolton is an American ADR director, line producer, and voice actor known for his extensive work on English-language dubs of Japanese anime. He is often credited under the name Z. Charles Bolton. His career in the industry began in the early 2000s, and he has been active since at least 2004. Beyond his on-screen voice roles, Bolton has a significant behind-the-scenes presence, having served as the ADR director for numerous series, including Darker than Black, Soul Eater, Future Diary, Space Dandy, and the Psycho-Pass franchise. He has also worked as a line producer on projects such as King of Thorn and Blood-C: The Last Dark.

As a voice actor, Bolton has portrayed a wide variety of characters. Among his notable roles are Ryusuke Komoto in Wave, Listen to Me!, Awaki in SSSS.Dynazenon, and Sho Hinakawa in the Psycho-Pass series and its sequel film, Psycho-Pass Providence. He also voices Droy in the Fairy Tail franchise, including the sequel series Fairy Tail: 100 Years Quest. In the ensemble idol anime Ensemble Stars!, he is the English voice of Ritsu Sakuma. His other credits include characters in My Hero Academia, Black Butler, Death Parade, Assassination Classroom, and Tokyo Ghoul:re.

Bolton's work frequently involves collaborations with other voice actors and production staff within the industry, particularly through Funimation and OkraTron 5000. In November 2020, he married fellow voice actor Kara Edwards.