1>Judi Dench broke her toe working on her previous movie. She kept it secret to avoid being replaced.
2>FBI boss J Edgar Hoover has been played on screen in the past by Bob Hoskins, Ernest Borgnine and Ned Beatty, among others.
3>Naomi Watts (inset) will be seen with Ewan McGregor in the Asian Tsunami film The Impossible.
4>It took seven hours a day to apply DiCaprio's make-up.
5>Harry Shearer, star of This Is Spinal Tap and The Simpsons, wrote J Edgar! The Musical for the stage.