
Quick answer — You Inoue voices Sayla Mass in Mobile Suit Gundam, Sheryl Formossa in Space Runaway Ideon, Haro in Mobile Suit Gundam and 5 more characters.
You Inoue voices Sayla Mass (Mobile Suit Gundam), Sheryl Formossa (Space Runaway Ideon), Haro (Mobile Suit Gundam), Kikka Kitamoto (Mobile Suit Gundam), Lou Piper (Space Runaway Ideon), Kanuka Clancy (Mobile Police Patlabor), Geperuniti (Macross 7), Sophine (Baoh the Visitor).
Sayla Mass is voiced in Japanese by You Inoue.