Quick answer — Harumi Ichiryuusai voices Seena in Moribito: Guardian of the Spirit, Elisabeth von Luneberg in Legend of the Galactic Heroes Gaiden: A Hundred Billion Stars, Saeko Nogami in City Hunter and 8 more characters.
Harumi Ichiryuusai voices Seena (Moribito: Guardian of the Spirit), Elisabeth von Luneberg (Legend of the Galactic Heroes Gaiden: A Hundred Billion Stars), Saeko Nogami (City Hunter), Mineko Seki (Okko's Inn), Spy G-gou (Galaxy Express 999), Youko Hoshina (Star☆Twinkle Precure), Harulu Ajiba (Space Runaway Ideon), Midori (Captain Harlock Space Pirate) and 3 more.
Seena is voiced in Japanese by Harumi Ichiryuusai.
