Go to the "Extra Features" menu. Go Down and across to the far right of the screen then press UP twice. A hidden symbol will appear, when pressed you're taken to a series of production notes about the film and characters.
This easter egg was generously submitted/corrected by SirDonk
To access the 'Production Notes' on this film enter the extra features section and highlight and highlight the main menu item at the bottom of the screen. Press 'Up' twice and a small green bullet pack appears. Press enter here and off you go.
This easter egg was generously submitted/corrected by DougieB