Fiona Christianne Dourif is an American actress and producer. She is known for her role as Bart Curlish in BBC America's Dirk Gently's Holistic Detective Agency and as the young Diane Jones in Dustin Lance Black's When We Rise. She has appeared in Showtime's Shameless, and in a recurring role on NBC's The Blacklist, and starred as Nica Pierce in the 2013 horror film Curse of Chucky, its sequel Cult of Chucky, and the television series Chucky, all of which are part of the Child's Play franchise; she appears in these works alongside her father, Brad Dourif, who portrays the series' main antagonist, Chucky; in Chucky, Dourif herself also portrays her father's character Chucky, both as his younger self , and as his character possessing hers. In 2018, she was cast as Good Leader Tavis in the USA Network series The Purge.