Grey DeLisle

Grey DeLisle (born August 24, 1973 in Fort Ord, California, United States) is an American singer-songwriter and voice actress. She has provided her voice in many animated TV shows such as Afro Samurai, Avatar: The Last Airbender, The Fairly OddParents, The Grim Adventures of Billy & Mandy, SpongeBob SquarePants, and What's New, Scooby Doo?. She also voiced characters in various video games such as Baldur's Gate II: Shadows of Amn, Doom 3, Fallout Tactics: Brotherhood of Steel, Final Fantasy X-2, Mass Effect, Ninja Gaiden II, and Star Wars: Knights of the Old Republic II The Sith Lords.

Metal Gear series
DeLisle provided the English voice of Amanda Valenciano Libre in Metal Gear Solid: Peace Walker.