Gregory Lush is an American actor and voice coach based in Dallas, Texas, who has built an extensive career in anime voice acting, as well as in live-action film and theatre. He holds a Master of Fine Arts from the University of Mississippi and a Bachelor of Fine Arts from the University of Texas at Arlington, and he teaches Voice and Musical Theatre at Richland College in Dallas. His training includes the Fitzmaurice Voicework method, and he serves as Director of Training for the Shakespeare Festival of Dallas.

Lush has provided voices for numerous English-language dubs of anime series, working extensively with Funimation. One of his notable roles is Satoru Nijō in the series ACTORS: Songs Connection. He is also recognized for portraying Winston Payne in the English adaptation of the Ace Attorney anime, a role he reprised across the first two seasons of the show. In the long-running series Fairy Tail, he voices the character Warren Rocko, appearing in multiple seasons and the 2024 sequel, Fairy Tail: 100 Years Quest. His other prominent roles include Lindo Tachibana in Dance with Devils, August 7 in Darker than Black: Gemini of the Meteor, Zheng He in Hetalia: World Series, and Bohme in Fairy gone.

His career is marked by a high volume of credits, often in supporting and recurring roles across a wide range of popular anime. His filmography includes parts in major franchises such as One Piece, where he voices the characters Crocus and Basil; Dragon Ball Super, where he plays Fuwa and Sautéan; and Attack on Titan. He has also appeared in Fullmetal Alchemist: Brotherhood, Black Clover, That Time I Got Reincarnated as a Slime, My Hero Academia, and Jormungand, among many others.

Beyond voice acting, Gregory Lush is an accomplished stage actor, having appeared in numerous professional theatre productions across Dallas. He has also acted in independent films, including The Jogger, Earthrise, and Arbor Day: The Musical. He is a member of the Actors Equity Association and is represented by the Kim Dawson Agency.