Mitch Pileggi (b. 1952) plays the character Samuel Campbell in the series Supernatural.
Pileggi is an American actor who is probably most known for playing the character Walter Skinner on the series The X-Files and The Lone Gunmen, but has also appeared in episodes of Dallas, Tarzan, The Mountain, Day Break, and Stargate Atlantis, as well as the movies The X-Files, Man in the Chair, and The X-Files: I Want to Believe.