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

• 2022Desert Shadows — Professor Charles M. Ridley
• 2021American Traitor: The Trial of Axis Sally — John Kelly
• Walker — Bonham Walker
• Helstrom — Papa
• 2019Polaroid — Sheriff Thomas Pembroke
• The Rookie — Rex
• 2017Transformers: The Last Knight — TRF Group Leader
• Supergirl — Rama Khan
• 2015The Girl in the Photographs — Sheriff Porter
• Dallas — Harris Ryland
• The Finder — Eddie Ross
• Against the Wall — Randall
• American Horror Story — Art
• 2011Mega Cyclone — Gunter MacGregor
• Human Target — Leonard Kreese
• 2010Woodshop — Miller
• Castle — Hans Brauer
• 2009Stargate Atlantis: Fans' Choice — Steven Caldwell
• 2009Xtra Credit — John Weller
• Breaking the Magician's Code: Magic's Biggest Secrets Finally Revealed — Narrator (voice)
• 2008Flash of Genius — Macklin Tyler
• In Plain Sight — Al Dennison
• Leverage — Colin Saunders
• 2008Recount — Bill Daley
• Sons of Anarchy — Ernest Darby
• 2008The X-Files: I Want to Believe — Walter Skinner
• 2007Man in the Chair — Floyd
• Reaper — Detective Dan Stafford
• Brothers and Sisters — Browne Carter
• Day Break — Detective Spivak
• Eyes — Robert Sutherland
• Grey's Anatomy — Lawrence Jennings
• Medium — Dan Burroughs
• Supernatural — Samuel Campbell, Samuel Campbell / Shapeshifter
• Boston Legal — U.S. Attorney Mark Freestone
• Stargate Atlantis — Steven Caldwell
• The Batman — Commissioner Gordon (voice)
• The Mountain — Colin Dowling
• 2003First to Die — Warren Jacobi
• NCIS — Wynn Crawford
• Nip/Tuck — Dr. Russell Marcus
• Tarzan — Richard Clayton
• Birds of Prey — Al Hawke
• 2001Conspiracy Theory: Did We Land on the Moon? — Narrator
• The Lone Gunmen — Walter Skinner
• CSI: Crime Scene Investigation — Happy Harry Desmond
• 2000Gun Shy — Dexter Helvenshaw
• Batman Beyond — Dr. Stanton (voice)
• Law & Order: Special Victims Unit — Jack Hammond
• The West Wing — Senator Dresden
• 1998Breaking the Magician's Code: Magic's Biggest Secrets Finally Revealed 2 — Host
• 1998Breaking the Magician's Code: Magic's Biggest Secrets Finally Revealed 3 — Host
• 1998Breaking the Magician's Code: Magic's Biggest Secrets Finally Revealed 4 - Unmasking the Magician: The Final Reveal — Host
• 1998Legion of Fire: Killer Ants — Police Chief Jeff Croy
• That '70s Show — Bull
• 1998The Making of 'The X Files: Fight the Future' — Narrator (Voice)
• 1998The X-Files — Walter Skinner
• 1997Breaking the Magician's Code: Magic's Biggest Secrets Finally Revealed — Host
• 1996Raven Hawk — Carl Rikker
• 1995Dangerous Touch — Vince
• 1995Vampire in Brooklyn — Tony the Hitman
• ER — Terry Waters
• The X-Files — Walter Skinner, Walter Skinner / SS Sturmbannfuehrer
• 1993Trouble Shooters: Trapped Beneath the Earth — Thompson
• 1992Basic Instinct — Internal Affairs Investigator
• 1991Guilty as Charged — Dominique
• 1991Knight Rider 2000 — Thomas J. Watts
• Roc — White Officer
• Get a Life — Max
• 1990Night Visions — Captain Keller
• Alien Nation — John Paul Sartre
• 1989Shocker — Horace Pinker
• 1988Brothers in Arms — Caleb
• 1988Return of the Living Dead Part II — Sarge
• 19873 On a Match — Bull Tully
• 1987Death Wish 4: The Crackdown — Lab Foreman
• 1987Three O'Clock High — Duke Herman
• 1987U.S. Marshals: Waco & Rhinehart — Gate AP
• 1986Dalton: Code of Vengeance II — Verbeck
• 1984On the Line — Stephens
• The A-Team — Paul Winkle
• 1982Mongrel — Woody
• Falcon Crest — Saunder's Henchman, Eddie
• Dallas — Morrisey

Appearances as themselves (3)

• 1998Inside The X-Files — Self
• 1996More Secrets of the X-Files — Self / Narrator (voice)
• 1995Secrets of the X-Files — Self