(written from a Production point of view)
Jay Karnes (born 27 June 1963; age 54) is an actor from Omaha, Nebraska who portrayed Lieutenant Ducane in the Star Trek: Voyager episode "Relativity". His costume, including his rank pips, from this episode was sold off on the It's A Wrap! sale and auction on eBay. 
He is well known for his role on The Shield as Detective Holland "Dutch" Wagenbach. The Shield also stars Benito Martinez, Michael Jace and Abby Brammell. He also played the recurring role of arms dealer Tyler Brennan on Burn Notice, from 2009-2010, appearing with Dina Meyer, Michael Shanks and Raphael Sbarge.
Some of the feature films he starred in include The Joyriders (1999, with Steve Bond and Angela Paton), The Next Best Thing (2000, with John Carroll Lynch, Fran Bennett, and Katelin Petersen),Chasing 3000 (2006, with Seymour Cassel and Lori Petty), Broken Angel (2008, with Clyde Kusatsu), Leonie (2010) and Setup (2011, with Theo Kypri).