Troian Bellisario
as Spencer Hastings (161 episodes)
Troian Bellisario takes on the role of Spencer Hastings, a highly intelligent and competitive member of the group. Spencer is known for her investigative skills and determination to uncover the truth. As the series progresses, she faces numerous challenges, including her complicated relationship with her family. Troian Bellisario delivers a compelling performance, capturing Spencer's complexities and vulnerabilities.
#4
Most popular actor on Pretty Little Liars
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