The upcoming 17th annual Roger Ebert Film Festival, better known as Ebertfest, will open April 15 with Jean-Luc Godard's radical 3D experiment "Goodbye to Language," with star Héloïse Godet in attendance. The fest will also present a special screening of director Robert De Niro's 1993 "A Bronx Tale," with producer Jon Kilik and star and screenwriter Chazz Palminteri attending.