Maura Tierney

Fans of ER will see some of the medical drama's actors reunite for an upcoming episode of Law & Order, which stars fellow alum Maura Tierney as Lt. Jessica Brady.

Stay caught up with the squad by watching Law & Order Thursdays on NBC.

For the first time, Law & Order fans got a glimpse into Lt. Jessica Brady's life away from the precinct.

In a Law & Order crossover episode, things got tense when Mariska Hargitay's beloved SVU captain came face-to-face with Maura Tierney's new lieutenant, Jessica Brady.

Lt. Jessica Brady made her debut on Law & Order Season 24 at a grisly scene, and by bringing some stunning news.

Detectives Riley and Shaw were shocked when they heard the news about their boss at the 27th Precinct, Lt. Kate Dixon, but eventually learned what happened.

New York City's toughest detectives and most hardworking prosecutors have a whole new set of riveting crimes to contend with on Law & Order Season 24. Find out how to watch. 

While most of the investigators and prosecutors are returning for Season 24, there's at least one departing character and one new addition. 

Tierney's Lt. Jessica Brady will bring some surprising skills to the 27th Precinct on Law & Order, and not everyone will be pleased with her.

There's a new cop in New York City — and, this time, she's played by ER legend and Twisters star Maura Tierney.