Born in Portland, Oregon, USA — Apr 05 1952

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.
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Samuel Campbell

Jack Hammond

Lawrence Jennings

Wynn Crawford

Rex

Happy Harry Desmond

Walter Skinner

Hans Brauer

Terry Waters

Senator Dresden

Art

Paul Winkle

Steven Caldwell

Ernest Darby

Dan Burroughs

U.S. Attorney Mark Freestone

Morrisey

Saunder's Henchman

Rama Khan

Dr. Russell Marcus

Bull

Bonham Walker

Browne Carter

Al Dennison

Dr. Stanton (voice)

Colin Saunders

Commissioner Gordon (voice)

Leonard Kreese

Detective Dan Stafford

Harris Ryland

Eddie Ross

John Paul Sartre

Al Hawke

TRF Group Leader

Walter Skinner

Max

Papa

White Officer

Internal Affairs Investigator

Randall

Detective Spivak

Colin Dowling

Richard Clayton

Assistant Director Walter Skinner

Walter Skinner

Lab Foreman

Sheriff Thomas Pembroke

Narrator (voice)

Dexter Helvenshaw

Horace Pinker

Sarge

Macklin Tyler

Bill Daley

Duke Herman

Dominique

Thomas J. Watts

John Weller

Gunter MacGregor

Carl Rikker

Tony the Hitman

John Kelly

Warren Jacobi

Thompson

Self

Steven Caldwell

Vince

Captain Keller

Stephens
Miller

Floyd

Verbeck

Gate AP

Professor Charles M. Ridley

Narrator (Voice)

Self / Narrator (voice)

Police Chief Jeff Croy

Sheriff Porter

Bull Tully

Woody

Self

Caleb
Host

Host

Narrator
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Host