did josette even speak during that part of the film at all?
Yes. From January 13th's installment of the film's slideshow:
1776 - Josette (to Barnabas): 'Promise me we'll be
together forever.' [spoiler]Which sets up the end of the film[/spoiler]
and the scene at the breakfast table where barnabas states "my beloved Collinwood...the Collins family!" in the trailer is a verbal pastiche of other lines from the film.
That's true - and it's not the only example of such a pastiche because there's also the one that accompanies Angie's "Hello, Barnabas. Remember me?" - namely his answer, which is "Witch, you cursed me to be this hideous creature." The "Witch" and the "you cursed me to be this hideous creature" come from dialogue from two totally different scenes. All of which brings up an intriguing possibility: rather than being dubs - meaning Depp, Green, and Pfeiffer went to a studio to record bits for the trailers, what if all the bits of dialogue in the trailers were assembled from scenes that were indeed shot? It's just that what doesn't appear in the film ("My love." "Remember me?" Etc.) is actually taken from bits of dialogue from deleted scenes, so that's why we're unfamiliar with it.
It's a fascinating thought, anyway...
The Depp/Burton Dark Shadows played in US theaters for at least 161 days/23 weeks!!
The Depp/Burton Dark Shadows is now out on DVD/Blu-ray!!