Biography 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.
Filmography Desert Shadows
2022
Professor Charles M. Ridley
Details American Traitor: The Trial of Axis Sally
2021
John Kelly
Details Polaroid
2019
Sheriff Thomas Pembroke
Details Transformers: The Last Knight
2017
TRF Group Leader
Details The Girl in the Photographs
2015
Sheriff Porter
Details Mega Cyclone
2011
Gunter MacGregor
Details Stargate Atlantis: Fans' Choice
2009
Steven Caldwell
Details Flash of Genius
2008
Macklin Tyler
Details The X Files: I Want to Believe
2008
Walter Skinner
Details First to Die
2003
Warren Jacobi
Details Conspiracy Theory: Did We Land on the Moon?
2001
Narrator
Details Gun Shy
2000
Dexter Helvenshaw
Details Legion of Fire: Killer Ants
1998
Police Chief Jeff Croy
Details The X-Files
1998
Assistant Director Walter Skinner
Details Vampire in Brooklyn
1995
Tony the Hitman
Details Trouble Shooters: Trapped Beneath the Earth
1993
Thompson
Details Basic Instinct
1992
Internal Affairs Investigator
Details Knight Rider 2000
1991
Thomas J. Watts
Details Guilty As Charged
1991
Dominique
Details Night Visions
1990
Captain Keller
Details Return of the Living Dead Part II
1988
Sarge
Details Three O'Clock High
1987
Duke Herman
Details Death Wish 4: The Crackdown
1987
Lab Foreman
Details U.S. Marshals: Waco & Rhinehart
1987
Gate AP
Details Dalton: Code of Vengeance II
1986
Verbeck
Details 