NBC's midseason show 'The Firm,' based on the John Grisham thriller of the same name, has locked in its female lead.

Molly Parker, formerly of HBO's 'Deadwood,' will play Abby McDeere in the new drama, Vulture reports. Abby is the wife of the main lawyer character, played by Josh Lucas in the new show (and Tom Cruise in the movie).

In other TV news ...

By Jane Murphy
In last week's two-part 'Law & Order: Los Angeles' -- the first new episode since the show went on a retooling hiatus Dec. 1 -- the reset button was officially hit for the freshman series.

For fans of the show (which has seen its fair share of drama, even though it's only aired 10 episodes to date) the revamp brings us something old, something new and something borrowed, hoping this marriage between the franchise and the City of Angels lasts a good long time.

And of course, there's also something blue with Alfred Molina's character Ricardo Morales leaving the DA's office in the aftermath of the shooting death of Det. Rex Winters (Skeet Ulrich) to come back to the beat as a detective.

AOL TV caught up with executive producer Rene Balcer, co-creator of the show with 'L&O' head honcho Dick Wolf, to hear all about Morales' big switch and other cast changes for what he's calling "LOLA 2.0."

"There are many factors that finally convince [Morales] he'd be a happier camper back as a cop ... It's about how the case is being handled, the political influences that come to bear on the prosecution."

Fans of the mothership 'Law & Order' take note: Alana De La Garza is joining the cast of NBC's struggling 'Law & Order: Los Angeles.' Hooray! And it gets better: She's playing her 'Law & Order' character, ADA Connie Rubirosa.

According to Deadline Hollywood, the L&O veteran completes the casting overhaul that began with the dismissal of three actors and and the move of Alfred Molina's character to detective.

De La Garza joined 'Law & Order' in season 17 and was with the show until it ended in May 2010.

"I hope fans of the 'mothership' will be happy to see the return of Alana's character, Connie Rubirosa, one of the longest-running assistant prosecutors on 'Law & Order,'" Dick Wolf, the show's creator, said. "Alana has a huge following and it will be interesting to follow her character as she comes to terms with Los Angeles justice."

In other casting news ...

• William Petersen will return to 'CSI.' An upcoming story features Grissom's mother and wife, Sara, but CBS did not confirm if Petersen will appear in that episode. The actor left the series in 2009. [Entertainment Weekly]

• Laura Vandervoort is returning to 'Smallville.' The 'V' star will reprise her Supergirl role in one of the final five episodes of the hit CW series. [TVLine]

• Jordana Brewster is the new face of 'Dallas.' The 'Fast and the Furious' star will play Elena, the daughter of the ranch's cook who is in a love triangle with J.R.'s son, John Ross, and Bobby and Pam Ewing's son, Christopher. [Deadline Hollywood]