While there might be other individuals with the same name, based on the most prominent Matthias Haase known in the entertainment industry, here are his notable film and television projects:
Television:
* "The Killing" (2007-2012) - As "Morten" (recurring role, Danish version)
Please note that "The Killing" had several adaptations, including an American one, and it is important to specify which version you are interested in.
It's possible that Matthias Haase has been in other projects, but these details might not be readily available online or may not be publicly known. To find more information, you might need to search specifically for his name on actor databases or film/television websites.