Complex sentence: There has also been an affinity for casting actors involved with the "Star Trek" franchise in his series, including Nichelle Nichols, Jonathan Frakes, Marina Sirtis, Brent Spiner and even Bruce Greenwood from the latest "Star Trek" film.
Split into simpler sentences: There has also been an affinity for casting actors involved with the "Star Trek" franchise in his series. Some have included Nichelle Nichols, Marina Sirtis, Brent Spiner and even Bruce Greenwood from the latest "Star Trek" film.