Amy Acker Amy Acker

Angel alum Amy Acker has landed a guest-role on NBC's Grimm, reports.

Acker, 34, will portray an everyday housewife who suffers from rapid aging. The cure: Becoming the Black Widow, who needs to suck the life out of three men in three days before expiring.

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Acker, also known for her roles on Dollhouse and Alias, will appear in one episode slated to air early next year.