Birthday : 1952-04-05
Place of Birth : Portland - Oregon - USA
Biography : From Wikipedia, the free encyclopedia. Mitchell Craig "Mitch" Pileggi (born April 5, 1952) is an American actor. Pileggi is known for playing FBI assistant director Walter Skinner on the long-running popular series The X-Files. He also had a recurring role on Stargate Atlantis as Col. Steven Caldwell. He appeared in the 2008 film, Flash of Genius.