More on Tricia Helfer’s guest star role January 20, 2007 Recurring and Guest Stars News Check Zap2it for information on Tricia Helfer's guest star role on Supernatural. Information can also be found on MovieWeb. 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