Check on broadwayunderstudies.com -- they often know.
However, it is uncommon for actors to take time off near the holidays....but you just never know.
Of course, there is always the possibility of last minute illness, too.
If we're not having fun, then why are we doing it?
These are DISCUSSION boards, not mutual admiration boards. Discussion only occurs when we are willing to hear what others are thinking, regardless of whether it is alignment to our own thoughts.