‘The X-Files’ welcomes back Mitch Pileggi April 20, 2015 The Taylor Network no comment on ‘The X-Files’ welcomes back Mitch Pileggi Mitch Pileggi has confirmed he’ll return as Walter Skinner for the return of the X files to television. Pileggi played FBI Assistant Director Walter Skinner Share this:TwitterFacebookLinkedInPinterestRedditTumblrLike this:Like Loading...