
Quick answer — Tomoko Ishimura voices Dante in Romeo's Blue Skies, Lina in Trigun, Martina Zoana Mel Navratilova in The Slayers Next and 3 more characters.
Tomoko Ishimura voices Dante (Romeo's Blue Skies), Lina (Trigun), Martina Zoana Mel Navratilova (The Slayers Next), Louise Ferry (The Big O), Oda (Now and Then, Here and There), Rudolph Zeppelin III (Zoids).
Dante is voiced in Japanese by Tomoko Ishimura.