Troian Bellisario, Ashley Benson, and Lucy Hale lead as Spencer Hastings, Hanna Marin, and Aria Montgomery in Pretty Little Liars.
Main cast
- Spencer HastingsTroian Bellisario1–7Main
- Hanna MarinAshley Benson1–7Main
- Aria MontgomeryLucy Hale1–7Main
- Emily FieldsShay Mitchell1–7Main
- Alison DiLaurentisSasha Pieterse1–7Main
- Mona VanderwaalJanel Parrish1–7Main
- Caleb RiversTyler Blackburn2–7Main
- Toby CavanaughKeegan Allen1–7Main
- Ezra FitzIan Harding1–7Main
Supporting cast
- Detective Toby CavanaughKeegan Allen1–7Supp
- Ashley MarinLaura Leighton1–7Supp
- Ella MontgomeryHolly Marie Combs1–5Supp
- Byron MontgomeryChad Lowe1–6Supp
Guest & voice
- Jason DiLaurentisDrew Van Acker1–7Guest
- Melissa HastingsTorrey DeVitto1–7Guest
- CeCe DrakeVanessa Ray3–6Guest
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About this cast
Pretty Little Liars follows four high school girls whose clique falls apart after the disappearance of their queen bee, Alison. Years later, they begin receiving threatening messages from a mysterious figure named ‘A’. The show’s main cast includes Troian Bellisario, Ashley Benson, Lucy Hale, and Sasha Pieterse.
FAQs
Who plays Spencer Hastings in Pretty Little Liars?
Spencer Hastings is played by Troian Bellisario.
Who plays Alison DiLaurentis in Pretty Little Liars?
Alison DiLaurentis is played by Sasha Pieterse.
How many seasons of Pretty Little Liars are there?
Pretty Little Liars ran for seven seasons from 2010 to 2017.
Who plays Mona Vanderwaal?
Mona Vanderwaal is played by Janel Parrish.
Is Pretty Little Liars based on books?
Yes, it is based on the book series of the same name by Sara Shepard.
Sources & where to watch: IMDb · Wikipedia · Where to watch (JustWatch UK) · Updated June 2026