Hidden clips
Select the "Features" option at the main menu. Select the "Bonus Materials" option. Press [Down] to reach the bottom of the screen, then press [Right] until picture of John is highlighted. Press [Enter] to view a clip featuring John.
Select the "Features" option at the main menu. Highlight the "Main Menu" option, then press [Left] to highlight the picture of the old man. Press [Enter] to view a clip that reveals his identity.