As is the relationship of the other characters on the show like Lanie Parish, the resident coroner, and her on-off boyfriend Det. Esposito and in turn, his relationship with his partner Det. Kevin Ryan. The show excels in this aspect because the writers stop to actually develop the back stories of these supporting characters. By giving them their own highlight cases and story lines every so often, the character development becomes a fluid part of the show. It is a move that helps to not only keep the stories fresh, but also allow the viewers to take a liking to characters that they would otherwise not care so much about in relation to the main story line which is the Castle - Beckett romance.
“Castle” is also a show that knows not to take itself too seriously regardless of the gravity of the case. The show-runner, Andrew Marlowe, somehow manages to constantly balance the thrill of the crime with the method by which it is investigated. Richard Castle serves up hefty doses of comic relief at just the right moment every single time. This is also what makes the show uniquely special. Every time comic relief comes out of his mouth, he does so with a bit of trivia or history for the viewers to learn from. Be it a reference to Lady Gaga or a classic film noir, there is always something new for the viewers to pick up on and Google after the show.
The characters are more than mere caricatures of people as presented in other crime shows. These characters actually have lives that go beyond the precinct. They are people who make mistakes like real people do. Each person portrayed can be either admired or hated depending upon the story that they given. Take for example the character of Kate Beckett. She is the resident glamor girl on the show. She looks flawless and elegant on the outside. But inside is a woman who has been hurt by the death of her mother and the betrayal of those around her that one