This mod allows you to play Total War: Attila with foreign language audio (for example Spanish), and English text.
Step One
Go to your Steam Library - Right click on Attila - Properties - Language and change your game language to whatever foreign language you want.
Step Two
Subscribe to this mod, enable it in the mod launcher and launch the game.
Bugs
There are some bugs however, as some text might be invisible. I don't know why this is, but its probably because I couldn't find all of the English text files, or I didn't combine them properly.
Download Link - Steam
Total War: Rome 2 Version