I don't think the voice acting is all that bad. The dialogue started off okay, but got worse, then it gets a little better, then it gets worse, etc. It's like a Richard Chamberlain DTV adventure film from the early 80s with a bigger budget.
Yeah, that chick is ugly. I wonder if the dark circles around her eyes are ever explained.
Sully sounds like John Vernon, but John Vernon is dead, so whoever voiced Sully is doing a pretty good John Vernon impression.