Mark Pellegrino Pulls Double Duty SPOILERY April 21, 2010 Recurring and Guest Stars News TV Guide exclusive about Mark Pellegrino's roles on Supernatural and Lost. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Reddit (Opens in new window) Related