Ridley Scott, director of Robin Hood, which will open this year's Festival on May 12, is 73; Mike Leigh, Britain's most reliable auteur - equally at home on the Croisette, the Venice Lido and the chilly red carpet of the Berlinale Palast, is 67; and Stephen Frears, whose Posy Simmonds adaptation Tamara Drewe screens out of competition, is nearly 69.