From Pretty Little Liars to Drop Dead Diva...

TV Fanatic has learned exclusively that Roma Maffia holding court on the April 27 episode of this Lifetime drama.

Ttitled "Desperate Housewives," the installment will feature Maffia as Judge Fisa, a tough Federal Judge in a top secret case involving Homeland Security.

Look for Brooke Elliott's Jane to try a case in Maffia's character's court, as defends a housewife who has been arrested for treason.

Will Maffia be a fair and impartial judge... or is Jane going to have to work harder than ever to win this one over?

"I'm a huge fan of Roma from both Profiler and Nip/Tuck. She's a great addition to Drop Dead Diva and I'm thrilled to have her on board," creator Josh Berman told me of the casting.

Maffia is also known to ABC Family viewers as Detective Linda Tanner from Pretty Little Liars.

Drop Dead Diva Season 6 airs Sundays at 9/8 con Lifetime.

Jim Halterman is the West Coast Editor of TV Fanatic and the owner of JimHalterman.com. Follow him on Twitter.