Here is my cast for Final Fantasy VIII if it would be remade with voices.

Squall: David Boreanaz
To me he is the one and only Squall and I think that he would manage.

Quistis: Paula Tiso
She played the Quistis Look-a-like Jihl Nabaat in FFXIII and I think that she would be the person to play Quistis. Of course her voice would have a more sweeter tone but would otherwise be the same voice.

Irvine: Quinton Flynn
Don't ask me why I chose Quinton to play Irvine. I will leave that for you to ponder.

Selphie: Molly Keck
She played Selphie in the Kingdom Hearts series and I think that she would therefore voice Selphie in her original incarnation.

Rinoa: Hedy Burress
I think that she would be the cool choice to play Rinoa. That's about it.

Zell: James Arnold Taylor
This was a bit of a tough choice but I eventually settled on him. Why him you ask? Well, I had this idea that Zell would sound like Tidus but is more brash and cool.

And that's all of the main cast. Tell me what do you think about my choices.