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Meet All of the New Characters Joining the 13 Reasons Why Cast in Season 2
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Chelsea Alden

You might recognize Chelsea Alden from her work as Alissa in American Horror Story's sixth season, but you'll be able to catch her next as Mackenzie in 13 Reasons Why. Mackenzie is Cyrus's sister, and is described as "artsy and witty" and a girl "who isn't afraid to speak her mind."

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