Cameo
Insert the second disc and on the Main Menu select the entry The Star Trek Universe. On the following menu screen highlight the entry for Jerry Goldsmith: A Tribute and then press the Right arrow key on your remote control. This will highlight a small Borg sphere. Press Enter now and you will see a four-minute clip of actor Ethan Phillips discussing his uncredited cameo as the maitre'd in the film, accompanied by behind-the-scenes footage and another uncredited cameo from writer Brannon Braga during the same scene.
Scene Deconstruction
Go back to the Main Menu and select The Borg collective. On the following menu screen highlight the menu entry for Main Menu and press the Left arrow key on your remote control to highlight another Borg sphere. Press the Enter key and you will see a four-minute scene deconstruction narrated by art director Alex Jaeger, in which he discusses the development of the death of the Borg Queen, along with some behind-the-scenes Polaroids of test shots.
Alternative Titles
On the Main Menu of the second disc, highlight the entry Production and then press the Right arrow key on your remote control to highlight a Borg sphere, which will then give you access to some clips of alternative titles for the movie.
