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Chicago Med Arden Cho

Chicago Med Casts Teen Wolf Vet as Ethan's Troublemaker Sister

Chicago Med is pulling back the curtain on Dr. Ethan Choi’s family life — but the doc may wish it had remain closed.

Teen Wolf alumna Arden Cho will recur during Season 3 of the NBC drama as Ethan’s party-girl adopted sister Emily, TVLine has learned exclusively.

Emily is a semi-professional gambler who bankrolls her high-stakes betting by cozying up to rich men. She’s fun, likable, energetic, and extremely unpredictable. (Something tells us Ethan’s tolerance level for his sis will be decidedly low.)

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In addition to dealing with his handful of a sibling, Ethan will also forge a workplace romance with nurse April Sexton. The newbie couple will struggle with the question of, “How do you navigate a relationship when your loved one is your boss or your underling?” co-showrunner Diane Frolov recently teased to TVLine.

Med airs Tuesdays at 10/9c on NBC.