What is the fine-grained topic of the following text: His team includes special agents Anthony Dinozzo (Michael Weatherly, “Jag”), Timothy McGee (Sean Murray, “Jag”) and Ziva David (Cote de Pablo, “The Jury”), who are supported by forensic specialist Abby Sciuto (Pauley Perrette, “Dawson’s Creek”) and medical examiner Dr. Donald "Ducky" Mallard (David McCallum, “The Replacements”). Only return the topic.
"Character descriptions in a TV series"