User blog comment:Lynettefan2626/Current Main Cast/@comment-392210-20101222002328/@comment-392210-20101222002448

Of course, a character portrayed by a regular actor (thus one that is contratually bound to the series) isn't necessarily a main character. In fact, Keith and Beth have been far more important than any of the kids or even the gay couple this season. It's all very relative... :)