British star Tim Roth will be leading the "Un Certain Regard" Jury at Cannes Film Festival a month from now.A list of 20 movies will compete for the Prix Un Certain Regard which is the top prize of the festival's original and different selection.A press conference in the 19th of April will announce the rest of the jury members and the specific details for the program of the festival.It was in 1994 when Tim Roth went on stage the last time with Quentin Tarantino to receive the Palme d'Or for "Pulp Fiction".Tim Roth only directed one movie entitled "The War Zone" in 1999, considered by some one of the most important movies of the 90s.Italian director Nanni Moretti will be president of the Jury in the festival, while Jean Pierre Dardenne will chair the Short Films Jury.