I wasn't sure to which category it fits best, so I post it here. Mods, please move if wrong here.
A friend of mine runs a company for voice recording/audio/music services. They also offer limited free services for low- or no-budget productions.
Teampage with voice examples: http://tomkylesoundproduction.de/sites/team.php
Click on the appropiate flag to switch between english and german on-screen text.
Just thought it could be of interest for those in need of short dialogues, a narrator, background chatter, etc.