
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.

Grey's Anatomy
TV • 2005

Law & Order: Special Victims Unit
TV • 1999

Supernatural
TV • 2005

Supernatural
TV • 2005

The Rookie
TV • 2018

NCIS
TV • 2003

CSI: Crime Scene Investigation
TV • 2000

The X-Files
TV • 1993

The X-Files
TV • 1993

Boston Legal
TV • 2004

Castle
TV • 2009

The West Wing
TV • 1999

American Horror Story
TV • 2011

Walker
TV • 2021

ER
TV • 1994

Supergirl
TV • 2015

Medium
TV • 2005

Sons of Anarchy
TV • 2008