Passage: The 67th Cannes Film Festival was held from 14 to 25 May 2014. New Zealand film director Jane Campion was the head of the jury for the main competition section. The Palme d'Or was awarded to the Turkish film Winter Sleep directed by Nuri Bilge Ceylan.The festival opened with the long delayed Grace of Monaco, directed by Olivier Dahan and starring Nicole Kidman as Grace Kelly, which played out of competition. The restored 4K version of Sergio Leone's 1964 western A Fistful of Dollars, served as the closing night film. Due to European Parliament elections which took place on 25 May 2014, the winner of the Palme d'Or was announced on 24 May, and the winning film in the Un Certain Regard section announced on 23 May. The festival poster featured Italian actor Marcello Mastroianni from Federico Fellini's 1963 film 8½, which was presented in the 1963 Cannes Film Festival's Official Selection, within the Out of Competition section.The Official Selection of films for the 2014 festival, including the line-up for the Main Competition, was announced on 17 April 2014. French actor Lambert Wilson hosted the opening and closing ceremonies.

Question: Who was the actor that played Grace Kelley?
Nicole Kidman