Marina Inoue (井上 麻里奈 Inoue Marina) is a Japanese voice actress who voices Emerald Sustrai and Whitley Schnee in the Japanese dub of RWBY.[1] She is well known for her role in Attack on Titan as Armin Arlert.
Inoue has done voice work in several other anime productions, including Black Butler II, Hunter X Hunter, Skip Beat!, Psycho-Pass 2 and Kill la Kill, as well as all of the Broken Blade films.