Like the characters they would ultimately play, child actors Furi Nanase and Rokka Okada could easily have become rivals when they first arrived on the set of Japanese auteur Hirokazu Koreeda‘s latest acclaimed drama, Look Back. Both 11-year-old fifth graders when filming began, the two actresses came to the film with opposite levels of experience and very different dispositions. Okada had been appearing in Japanese film and TV projects since she was an infant. “I’ve been working in this business since before I could even understand things, so it’s like everyday life to me now,” she says. The young veteran was chosen for her role for her…