Simplify the following text for a Grade 9 native English-speaking person.
Original: Writers for the show included Mel Brooks , Neil Simon , Danny Simon , Larry Gelbart , Mel Tolkin , and Carl Reiner who , though a cast member , always sat in with the writers .
Simplified: Writers for the show included Mel Brooks , Neil Simon , Danny Simon , Mel Tolkin , and Carl Reiner who , though a cast member , always sat in with the writers .