This article is a collaboration from SpoilerTV writers - DJRiter, Abi Baker, and Zandarl. One of the most vital aspects of keeping any television show successful is its casting. Casting directors are called upon to put together the "A" team of the show, the core group of characters that carry the bulk of the weight in episodes each week. It's a difficult task, trying to find the right mesh of actors and actresses that not only look good together but also are a perfect balance of acting…