The 41-year-old Meet the Parents star — alongside the cat and Ben Stiller — has been cast in the recurring role of Casey Winters, wife of Det. Rex Winters (Skeet Ulrich). Casey is a former cop who has settled down to raise a family.
Law & Order: LA, the fourth spin-off of the recently canceled flagship, will be executive-produced by Law & Order vets Dick Wolf, Rene Balcer and Peter Jankowski. Brotherhood's Blake Masters will also executive produce.
Polo can next be seen in the third Meet the Parents film, Little Fockers.
Law & Order: Los Angeles will debut Wednesday, Sept. 29 at 10/9c on NBC.