She is joined by Bruno Barreto, Isabel Coixet, Sara Driver, Bruno Ganz, Manuel Gomez Pereira and Jose Saramago.
Mexican actress Patricia Reyes Spindola will preside over the New Directors' jury.
The festival has also made a number of announcments about this year's programme:
* Nick Broomfield's UK immigration documentary Ghosts will open the official selection.
* Closing the festival out of competition will be Todd Robinson's Lonely Hearts, a 1940s serial killer thriller starring John Travolta.
* Max von Sydow and Matt Dillon will receive career achievement Donostia Awards.
* David Frankel's The Devil Wears Prada and Barbara Kopple and Cecilia Peck's Dixie Chick documentary Shut Up And Sing will be included in the "Pearls" section.
* Jose Luis Lopez-Linares and Arantxa Aguirre's documentary interviewing the crème de la crème of Spanish actors about their craft, Hecuba, Un Sueno De Pasion has been added to the Zabaltegi Special Screeners.