'Pretty Little Liars' Adds 'Revenge' Actor in Key Role

Robbie Amell Headshot P 2012
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Someone's family is about to get bigger on Pretty Little Liars.

Robbie Amell, who has appeared on ABC primetime soap Revenge and starred in Bill Lawrence's Fox pilot Like Father, will guest-star in the ninth episode of the buzzy ABC Family teen drama's third season, The Hollywood Reporter has confirmed.

Series star Lucy Hale broke the news on Twitter on Tuesday: "Everyone welcome @robbieamell to the show. Guess who he's playing?"

Amell will portray Eric, the older brother of Noel Kahn (Brant Daugherty), in the Aug. 7 episode.

Amell, whose older brother Stephen toplines The CW's superhero drama Arrow, has had small-screen roles on Alcatraz and True Jackson, VP.

Pretty Little Liars airs at 8 p.m. Tuesdays on ABC Family.