(written from a Production point of view)
Michael Moutsatsos is an actor, writer, and director, who appeared as a Ledosian scientist in the Star Trek: Voyager episode "Natural Law". As a background actor, he received no credit for his role and was identified by the name tag of his costume which was sold off on the It's A Wrap! sale and auction on eBay. 
Moutsatsos co-wrote and directed the stage play Whatever Happened to Barker Daniels? and co-wrote the story for the following film version, with a release in late 2008.