Riverdale has made Skeet Ulrich a series regular June 2, 2017 The Taylor Network no comment on Riverdale has made Skeet Ulrich a series regular Skeet Ulrich plays Forsythe “F.P.” Jones II: The leader of the Southside Serpents, a gang of criminals that live and operate on the fringes of Riverdale. He is Jughead’s estranged father. And for season two he will be a series regular. Skeet Ulrich Share this:TwitterFacebookLinkedInPinterestRedditTumblrLike this:Like Loading...