As his new movie The Debut closes the London film festival, we count down the best of the actor’s shy, sly and sometimes hairy outingsA doppelganger role can be a trap for an actor: either the two roles are not sufficiently distinct, or they are too hammily different, and either way the result can look like a film school graduation project. But Jesse Eisenberg gives a stylish split-personality turn in Richard Ayoade’s adaptation of the Dostoevsky novella. He plays Simon, a nerdily shy and self-effacing computer programmer in a grim futureworld, ignored by his employers and by co-worker Hannah (Mia Wasikowska), with whom he is hopelessly in love. But then his carbon copy, James, arrives, also of course played by Eisenberg. James is a confident alpha-achiever who impresses his bosses and entrances Hannah – to Simon’s gibbering despair. Continue reading...