10. Chelsea Peretti Worked As A Writer For Parks and Recreation
Described by Melissa Fumero as Brooklyn Nine-Nine's "joke machine," Peretti first worked on the show's predecessor as a staff writer for two episodes during season four of Parks and Recreation. She commented in an interview that actors guest starring on Parks and Rec described the experience as, "Oh my god, this is the nicest set." She believes Brooklyn Nine-Nine has the same atmosphere.