US TV
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Fancast reports that the actress will appear in an early episode as defence attorney Sarah Widmer.
The character is expected to clash with Detective Rex Winters (Skeet Ulrich) during a criminal investigation.
Dent is known for her role as Danny Sofer on FX cop drama The Shield and has recently appeared in episodes of The Closer and Lie To Me.
Law & Order: Los Angeles premieres on September 29 at 10/9c.
More: Catherine Dent, US TV
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