Originally Posted by MarvelU
Any other character will probably be secret which probably means Jean and Cyclops for cameos. Also I wonder why Singer hasn't announced who will be portraying Nixon, unless they use video footage of him, like they did with JFK in First Class.
Its probably because the actor that is portraying Nixon is not the part of the "main cast" or at least he's not one of the cast members that we will be seeing in posters and promotional photos. I see the Nixon having the same amount of screentime with the president in X2.