
Quick answer — Kayoko Fujii voices Jessica in Romeo's Blue Skies, Rosamia Badam in Mobile Suit Zeta Gundam, Manami Nakazawa in Detective Conan: The Time-Bombed Skyscraper and 1 more characters.
Kayoko Fujii voices Jessica (Romeo's Blue Skies), Rosamia Badam (Mobile Suit Zeta Gundam), Manami Nakazawa (Detective Conan: The Time-Bombed Skyscraper), Sakiko (Memories).
Jessica is voiced in Japanese by Kayoko Fujii.