In the Will & Grace episode “The Scales of Justice,” while Grace (Debra Messing) and Jack (Sean Hayes) go on a diet together, Will (Eric McCormack) discovers Karen’s (Megan Mullally) estranged stepdaughter Olivia Walker is a student in his law class. Will dons his best black robe and Judge Judy neck doily and tries to solve their issues with a mock trial in the classroom. Karen is the plaintiff, Olivia is the defendant.
Karen’s daughter Olivia Walker on Will & Grace is portrayed by actress Aya Cash. She’s known for her roles on You’re the Worst (Gretchen Cutler), The Newsroom (Shelly Wexler), and in films including The Wolf of Wall Street (Leo DiCaprio/Jordan’s assistant Janet, SEE LINK ABOVE), among others. Will & Grace airs Thursdays at 9:30 pm on NBC, right after Brooklyn Nine-Nine and right before Law & Order: Special Victims Unit.