Adrian Pasdar

Former Heroes star Adrian Pasdar has been cast on ABC Family's new series The Lying Game, TVGuide.com has learned exclusively.

The Lying Game — based on the books by Sara Shepard, who also authored Pretty Little Liars introduces separated-at-birth twins Emma Becker and Sutton Mercer (both played by Alexandra Chando). It starts out like The Parent Trap: The sisters switch places so that Emma can experience the trappings of wealth while Sutton pursues the identity of their birth mother. But it gets much darker when Sutton doesn't show on the night the girls are supposed to reunite. Does Emma come clean or continue their deception?

ABC Family announces summer programming

Pasdar, 46, will recur as the father of Sutton's best friend Madeleine (Alice Greczyn) and her brother Thayer.

The Lying Game premieres Monday, Aug. 15 at 9/8c on ABC Family.