Troian Avery Bellisario is an American actress and filmmaker. The daughter of producer Donald P. Bellisario and actress Deborah Pratt, she first appeared in her father's film Last Rites (1988), at age three. After graduating from the University of Southern California, Bellisario gained international attention for her portrayal of Spencer Hastings in the Freeform drama series Pretty Little Liars (2010–2017), for which she received various accolades. In film, Bellisario has received recognition for her performances in C.O.G. (2013), Feed (2017)—which she also wrote and produced—Clara (2018), and Where'd You Go, Bernadette (2019).