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.
2022Desert ShadowsMovieas Professor Charles M. Ridley
2021American Traitor: The Trial of Axis SallyMovieas John Kelly
2021WalkerTV showas Bonham Walker · 69 episodes
2020HelstromTV showas Papa · 1 episodes2019PolaroidMovieas Sheriff Thomas Pembroke2018The RookieTV showas Rex · 1 episodes
2018Implanted Memories: 25 Years of the X-FilesMovieas Self2017Transformers: The Last KnightMovieas TRF Group Leader2015SupergirlTV showas Rama Khan · 4 episodes
2015The Girl in the PhotographsMovieas Sheriff Porter
2012DallasTV showas Harris Ryland · 40 episodes
2012The FinderTV showas Eddie Ross · 1 episodes
2011Mega CycloneMovieas Gunter MacGregor2011American Horror StoryTV showas Art · 2 episodes
2011Against the WallTV showas Randall · 1 episodes
2010Human TargetTV showas Leonard Kreese · 1 episodes
2009Stargate Atlantis: Fans' ChoiceMovieas Steven Caldwell2009CastleTV showas Hans Brauer · 1 episodes
2009Xtra CreditMovieas John Weller
2008LeverageTV showas Colin Saunders · 1 episodes
2008Breaking the Magician's Code: Magic's Biggest Secrets Finally RevealedTV showas Narrator (voice) · 13 episodes
2008Flash of GeniusMovieas Macklin Tyler2008Sons of AnarchyTV showas Ernest Darby · 13 episodes2008The X-Files: I Want to BelieveMovieas Walter Skinner
2008In Plain SightTV showas Al Dennison · 1 episodes
2008RecountMovieas Bill Daley
2007ReaperTV showas Detective Dan Stafford · 1 episodes
2007Man in the ChairMovieas Floyd
2006Day BreakTV showas Detective Spivak · 13 episodes
2006Brothers and SistersTV showas Browne Carter · 3 episodes2005SupernaturalTV showas Samuel Campbell · as Samuel Campbell / Shapeshifter · 7 episodes
2005EyesTV showas Robert Sutherland · 1 episodes2005Grey's AnatomyTV showas Lawrence Jennings · 8 episodes
2005MediumTV showas Dan Burroughs · 4 episodes
2004Boston LegalTV showas U.S. Attorney Mark Freestone · 1 episodes
2004The MountainTV showas Colin Dowling · 13 episodes
2004The BatmanTV showas Commissioner Gordon (voice) · as Gordon (voice) · 14 episodes2004Stargate AtlantisTV showas Steven Caldwell · 22 episodes
2003TarzanTV showas Richard Clayton · 8 episodes2003NCISTV showas Wynn Crawford · 2 episodes
2003Nip/TuckTV showas Dr. Russell Marcus · 1 episodes
2003First to DieMovieas Warren Jacobi
2002Birds of PreyTV showas Al Hawke · 1 episodes
2001The Lone GunmenTV showas Walter Skinner · 1 episodes
2001Conspiracy Theory: Did We Land on the Moon?Movieas Narrator2000CSI: Crime Scene InvestigationTV showas Happy Harry Desmond · 1 episodes
2000Gun ShyMovieas Dexter Helvenshaw
1999The West WingTV showas Senator Dresden · 1 episodes1999Law & Order: Special Victims UnitTV showas Jack Hammond · 2 episodes
1999Batman BeyondTV showas Dr. Stanton (voice) · 1 episodes1998That '70s ShowTV showas Bull · 1 episodes
1998Legion of Fire: Killer AntsMovieas Police Chief Jeff Croy1998The X-FilesMovieas Walter Skinner
1998Inside The X-FilesMovieas Self
1998The Making of 'The X Files: Fight the Future'Movieas Narrator (Voice)
1997Breaking the Magician's Code: Magic's Biggest Secrets Finally RevealedMovieas Host
1996Raven HawkMovieas Carl Rikker
1996More Secrets of the X-FilesMovieas Self / Narrator (voice)
1995Vampire in BrooklynMovieas Tony the Hitman
1995Secrets of the X-FilesMovieas Self
1995Dangerous TouchMovieas Vince1994ERTV showas Terry Waters · 1 episodes
1993Trouble Shooters: Trapped Beneath the EarthMovieas Thompson1993The X-FilesTV showas Walter Skinner · as Walter Skinner / SS Sturmbannfuehrer · 91 episodes1992Basic InstinctMovieas Internal Affairs Investigator
1991RocTV showas White Officer · 1 episodes
1991Knight Rider 2000Movieas Thomas J. Watts
1991Guilty as ChargedMovieas Dominique
1990Night VisionsMovieas Captain Keller
1990Get a LifeTV showas Max · 1 episodes
1989ShockerMovieas Horace Pinker
1989Alien NationTV showas John Paul Sartre · 1 episodes
1988Brothers in ArmsMovieas Caleb
1988Return of the Living Dead Part IIMovieas Sarge
1987Three O'Clock HighMovieas Duke Herman
19873 On a MatchMovieas Bull Tully
1987Death Wish 4: The CrackdownMovieas Lab Foreman
1987U.S. Marshals: Waco & RhinehartMovieas Gate AP
1986Dalton: Code of Vengeance IIMovieas Verbeck
1984On the LineMovieas Stephens1983The A-TeamTV showas Paul Winkle · 1 episodes
1982MongrelMovieas Woody
1981Falcon CrestTV showas Saunder's Henchman · as Eddie · 2 episodes
1978DallasTV showas Morrisey · 2 episodes