07/19/2012 05:46 pm ET

Jennifer Jason Leigh Joins 'Revenge' As Emily's Mom And More Casting News

It's official: Emily (Emily VanCamp) of "Revenge" mom has been revealed.

According to TVLine, Jennifer Jason Leigh is headed to Season 2 of the ABC series as the matriarch of the Clark family, who was previously believed to be dead.

Although she's mostly a film actress, Leigh's currently appearing on the final season of "Weeds."

In other casting news...

Adam Lambert will play himself on "Pretty Little Liars." The "American Idol" runner up is headed to the teen thriller for a Halloween episode of the ABC Family series. [THR]

Former "Body of Proof" star Sonja Sohn heads to "Burn Notice." Sohn will play Olivia Riley, a tough CIA director. She'll be joined by Patton Oswalt who is playing Colin Schmidt, a smuggler. [EW]

Megalyn Echikunwoke has been cast as series regular on "Made in Jersey." Echikunwoke ("90210") will play Riley, a smart second-year associate at Stark & Rowan who is an asset to any case involving international clients due to her background as an ambassador's daughter. [TV Line]