If you've been following the news from Gamescom '14, you'll know that Norman Reedus has signed up for the upcoming Silent Hill game that's been worked on by none other than Guillermo Del Toro and Hideo Kojima.
A short demo was released which featured, well, a door and a baby. We're not saying any more.
However, this little video of people playing the demo should give you a flavour. As far as we know, they're not actors.