SPOILER ALERT! This story contains details from Thursday’s crossover episodes of Law & Order and Law & Order: SVU on NBC.

Maura Tierney and Mariska Hargitay are set to experience their first crossover event on NBC’s “Law & Order” series, where they will form a united front in tackling a cold case.

In the butch weepie The Iron Claw, Maura Tierney plays Dottie Von Erich ... about the inner workings of a radio station. It’s ...

The show has multiple spin-offs. Law & Order Season 24 introduces Maura Tierney as Lieutenant Jessica Brady, the commanding officer of the detective squad. Tierney assumes this role following ...