I made a Gundam Wing and waltz english dub Mod.

[Balueboy]

Using the help from what this guy did here

https://steamcommunity.com/app/728530/discussions/0/1754646083691556545/

i was able to change the characters
Heero
Duo
Trowa
Quatra
Chang Wufei
Zechs
Lucrezia Noin
Lady une
Treize
Dorothy

and there Endless Waltz versions

To speak there lines from the Gundam Wing english Dub. If you want to turn the characters to english dub version all you do is copy the files to the folders here.
file path

steamapps\common\GGCR\data\sound\voice\BTL

heres the Mod.
https://drive.google.com/file/d/1SW7SXOSYrmVzFOoO1N-leMKBaBaUSDh7/view?usp=sharing