http://www.finalfantasyworld.co.uk/khextreme/
straight from khextreme
Susan Egan - Megara
Christy (Carlson) Romano - Yuffie Kisaragi
Chris Edgerly - Cid Highwind
George Newbern - Sephiroth
Although these FF voice actors are more strictly confirmed for Advent Children, there's a safe bet that...