Just got off the phone with VIPassholder line and the cast member said they "may" charge you for additional guests who are no shows to either the dinner or the Candlelight processional. It was as clear as mud.

Before I could say anything he helped me reduce my 6 person down to the 2 I needed.

So my advice is call to be better safe than sorry. They will certainly help you if they can. YMMV.