He has been credited as a producer on several projects, including:
* The Last Days on Mars (2013): A science fiction horror film about a team of astronauts stranded on Mars after a mysterious event.
* The Pyramid (2014): Another sci-fi horror film, this time about a team of archaeologists who discover a hidden pyramid in Egypt, leading to terrifying consequences.
* The Devil Inside (2012): A found footage horror film about a woman who investigates her mother's demonic possession.
* The Rite (2011): A supernatural horror film about a seminary student who attends a course on exorcism.
It's possible that Andreas Mavromatis may have had small, uncredited roles in some of these films, but his primary contribution is as a producer.
To find out more specific information about his involvement in these and other projects, you can search for him on IMDb (Internet Movie Database).