Joey Lauren Adams and Lucas Grabeel

With Toby and Nikki's wedding fast approaching on Switched at Birth, it's about time to meet Nikki's mom!

Joey Lauren Adams has booked a two-episode arc as the mother of Toby's fiancée. The casting news comes after Switched at Birth creator Lizzy Weiss recently tweeted a photo of Adams and Lucas Grabeel, who plays Toby, TVLine reports.

Summer TV 2013: Must-see new shows

Best known for Mallrats and Chasing Amy, in recent years she has guest-starred on Party Down and United States of Tara.

Adams will appear in the Aug. 5 and Aug. 12 episodes of the ABC Family series, which airs Mondays at 8/7c.