Hynden Walch is an American actress widely recognized for her extensive work in voiceover, particularly in animation and anime dubbing. Born Heidi Hynden Walch on February 1, 1971, in Davenport, Iowa, she developed a foundation in performance from a young age, starting on stage at eleven and later training at the North Carolina School of the Arts. Her early career included live-action roles in television series such as Law & Order and films like Groundhog Day, but she eventually became best known for her voice work in animated series and video games.

In the realm of anime and English dubbing, Walch has contributed her voice to a variety of notable series. She voiced the character Amy Stapleton in the English adaptation of the racing-themed anime IGPX: Immortal Grand Prix. Her filmography also includes roles in the science fiction anime films The Laws of the Universe Part 0 and The Laws of the Universe: Part 1, where she played the character Halle. Other significant dubbing roles include Nia Teppelin in the mecha series Tengen Toppa Gurren Lagann, Emiri Kimidori in The Melancholy of Haruhi Suzumiya, and Yutaka Kobayakawa in Lucky Star.

Beyond anime, Walch is celebrated for her work in American animation. She is perhaps best known for her long-running roles as Starfire in the Teen Titans franchise and as Princess Bubblegum in the acclaimed series Adventure Time. Her other prominent voice credits include Penny Sanchez in ChalkZone, various characters in the DC Animated Universe, and Viridi in the video game Kid Icarus: Uprising, a performance that received critical praise.

Throughout her career, Walch has demonstrated a versatility that spans both comedic and dramatic roles. Her contributions to the voice acting industry have made her a familiar presence across multiple generations of animated programming. She has been married to Sean McDermott since 1999 and continues to be active in her field.