Diona Reasonover, who plays Kasie on the show NCIS, has been discussing her character's storyline, including a recent episode that may have showcased her character. The episode is part of season 23, and Reasonover has also been talking about the show's upcoming finale, which may include significant plot developments. It appears that Reasonover has received advice and support from other cast members, including Pauley Perrette and Mark Harmon, as she has become a part of the show.