Mitchell "Mitch" Pileggi is an American actor, best known for his role as Walter Skinner on The X-Files. He also had a recurring role on Stargate Atlantis as Colonel Steven Caldwell. He appeared in the 2008 film Flash of Genius. Mitch can also been seen as Samuel Campbell in Supernatural.

 

Mitch took a few minutes at Dragon Con 2013 to sit down with us and talk about his role as Harris Ryland on TNT hit series Dallas