Jamie Lynn Marchi is an American voice actress, ADR director and script writer. She has provided a number of voices for English-language versions of anime and video games. She is known for her role as Masane Amaha in Witchblade, Mari Ohara in Love Live! Sunshine! !, Mimi in Rin: Daughters of Mnemosyne, Mitsuko Kongo in A Certain Scientific Railgun, Charlotte E. Yeager in Strike Witches, Haruna Saotome in Negima!, Rias Gremory in High School DxD, Panty Anarchy in the first season of Panty & Stocking with Garterbelt, Cathy in Angels of Death, and Junko Enoshima in Danganronpa.