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Lynette Rice
September 22, 2011 AT 10:00 PM EDT

EW has learned that Catherine Dent — best known for her memorable run on FX’s The Shield –– will recur as an assertive FBI agent named Susan Darcy on CBS’ The Mentalist.

Dent will begin her arc in episode 107, which will be directed by star Simon Baker and will air Nov. 3. She is brought in to help work on the Red John serial killer case with Jane (Baker) and Lisbon (Robin Tunney). She suspects there is more to the case than the duo is telling her.

“Over the course of the season she will try to get under Jane’s skin and inside his head to find the truth,” said Executive Producer/Creator Bruno Heller. “Jane’s not the only one who knows how to use deception and mind games to crack a mystery.”

Dent’s other recent appearances include stints on NCIS, Law & Order: LA, Lie to Me and The Closer.

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