<Tr> <Th> Starring </Th> <Td> <Ul> <Li> Troian Bellisario </Li> <Li> Ashley Benson </Li> <Li> Holly Marie Combs </Li> <Li> Lucy Hale </Li> <Li> Ian Harding </Li> <Li> Bianca Lawson </Li> <Li> Laura Leighton </Li> <Li> Chad Lowe </Li> <Li> Shay Mitchell </Li> <Li> Sasha Pieterse </Li> </Ul> </Td> </Tr>
who was a in season 1 pretty little liars
Troian Bellisario Ashley Benson Holly Marie Combs Lucy Hale Ian Harding Bianca Lawson Laura Leighton Chad Lowe Shay Mitchell Sasha Pieterse