User blog comment:A-Stone/Future of the Voice Over Wiki/@comment-3522837-20170412121834/@comment-3989628-20170412141638

Me and Jade Cooper are very familiar with their voices so a list from IMDB can't fool us. If there's someone we don't recognize we don't add them. And if there's no credits we listen to the voices in the game if not the actors themselves has confirmed their involvement.