. Troian Bellisario (born Troian Avery Bellisario; October 28, 1985, height 5' 7" (1,70 m)) is an American actress, daughter of producers Donald P. Bellisario and Deborah Pratt, made her film debut at the age of 3 in Last Rites (1988). She currently stars as Spencer Hastings in the ABC Family series Pretty Little Liars.