Not entirely, but you can add a list of users to select from. Open the Login Window application, go to the Local tab, and change Style to "Plain with face browser". This will list the available user accounts on your system in the login window, though you still have to either select one of those users or type your username. You can configure other things about the login window here as well.
Linux Mint 14 Nadia / 64-bit / Cinnamon