
Quick answer — Masako Ikeda voices Maetel in Galaxy Express 999, Reika Ryuuzaki in Aim for the Ace!, Sharon Kaneko in Space Brothers and 4 more characters.
Masako Ikeda voices Maetel (Galaxy Express 999), Reika Ryuuzaki (Aim for the Ace!), Sharon Kaneko (Space Brothers), Nodoka Saotome (Ranma ½ (1989)), Monica Ivanov (Lupin the 3rd Part 2), Miyu's Mom (Vampire Princess Miyu), Tooru Shirou (X).
Maetel is voiced in Japanese by Masako Ikeda.