Jack Dillon is a voice actor based in Los Angeles, California, who works in both anime and video game productions. He is represented by the Peter Kalliteris Agency. His vocal range includes teenagers, young adults, middle-aged, and senior characters, and he is proficient in a variety of accents, including General American, British Received Pronunciation, and Russian.

Dillon is best known for his roles in the English dub of the anime series Komi Can't Communicate, which streams on Netflix. In this series, he provides the voice for multiple characters, including Mono Shinobimono, a recurring student character, and Shosuke Komi, the younger brother of the main character, Shoko Komi. He also voiced the episodic character Shii in the series. This work on Komi Can't Communicate marked one of his first contributions to an anime dub.

Beyond anime, Dillon has lent his voice to several prominent video games. His credits in the gaming industry include roles in Mobile Legends: Bang Bang, Arena of Valor, and Honor of Kings.