Sam Riegel is a Los Angeles-based voice actor and Emmy Award-winning voice director, known for his roles in animation and video games, as well as co-founding the massively popular hit show and media brand, Critical Role and executive producer of "The Legend of Vox Machina".

Critical Role has become one of the most popular storytelling and world building independent media companies in the world, and Sam plays a pivotal role within the company as a co-founder, primary cast member for the flagship show and executive producer of The Legend of Vox Machina animated series which will air exclusively on Amazon Prime Video.

Over his decades-long career, Sam has voiced iconic animated characters such as Donatello in Teenage Mutant Ninja Turtles, Ketch on Bad Batch, Emperor Awesome on Wander Over Yonder, Shiro Emiya in Fate/Stay Night, Viral in Gurren Lagann, Mephisto in Blue Exorcist, and Metal Bat in One Punch Man. Notable video game characters include Peter Parker/Spiderman in The Amazing Spider-Man games, Starscream in Transformers Cybertron series, Teddie in the Persona series, Gramble Gigglefunny in Bugsnax, and Phoenix Wright in several Ace Attorney games.

Sam has also served as voice director for Disney's DuckTales, Moon Girl & Devil Dinosaur, Elena of Avalor, Sofia The First, as well as Archibald's Next Big Thing for Dreamworks, DC Superhero Girls for Cartoon Network, and Kid Cosmic for Netflix, among others.

Sam earned an Outstanding Directing in an Animated Program Daytime Emmy for his work on Amazon's Danger & Eggs, as well as two other Daytime Emmy nominations. He is the recipient of three BTVA People's Choice Voice Acting Awards and a BTVA Video Game Voice Acting Award. He also won the Austin Film Festival for best Half-Hour Television Writing and he'll continue to win the hearts of viewers every Thursday night on Critical Role, where he plays the lovable robot, Fresh Cut Grass.