Brigette Lundy-Paine
as Casey Gardner (38 episodes)
Brigette Lundy-Paine portrays Casey Gardner, Sam's younger sister. Casey is a talented and driven athlete, and her relationship with Sam is an essential part of the show. Lundy-Paine brings energy and vulnerability to the role, highlighting the complexities of sibling dynamics and the impact of Sam's autism on their family dynamic.
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Most popular actor on Atypical
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