I also hoped that our protagonists would be fully voiced, but unfortunately no the controlled character doesn't speak in dialogues. They'll have the odd comment, which I always enjoy, but that's it.

We did chat about this back in Early Access in a few threads, including this one poll on the topic.

"You may call it 'nonsense' if you like, but I've heard nonsense, compared with which that would be as sensible as a dictionary!"