Taliesin Jaffe is an American voice actor, voice director and screenwriter. He has worked on English-dubbing roles for anime and video games. He is a cast member on Critical Role, a web series in which he plays Dungeons & Dragons with other voice actors. Jaffe has also frequently voiced the Flash in various video games.

Critical Role is an American web series in which a group of professional voice actors plays Dungeons & Dragons. The show started streaming partway through the cast's first campaign in March 2015. Campaign one ended in October 2017 after 115 episodes, and campaign two started in January 2018 and ended in June 2021 after 141 episodes. A number of one-shots were aired in the hiatus between the two campaigns. After campaign two was completed, the spin-off limited series Exandria Unlimited aired from June 2021 to August 2021. The third campaign premiered on October 21, 2021.