The 47-year-old actress, who most recently guest starred on shows like "Scandal" and "Elementary," will play a tough-but-talented federal investigator named Rachel McCord.
According to The Hollywood Reporter, Edelstein will appear in the sixth season's first episode in this fall. Her character will likely play a role in the storyline surrounding Kate Beckett's (Stana Katic) possible move to Washington, D.C.
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