It's a "Lost" reunion! Mark Pellegrino, who played Jacob on the ABC drama, is heading to "Person of Interest," which stars fellow "Lost" alum Michael Emerson, who played Ben Linus on "Lost."

"Person of Interest" creator Jonathan Nolan revealed the news during the show’s panel at New York Comic-Con, according to Entertainment Weekly, noting that Pellegrino will play the head of a publishing empire.

Fellow "Lost" alumni Alan Dale and Ken Leung have previously appeared with Emerson on "Person of Interest."

In other casting news...

Another "Lost" alum is heading to "Parenthood." Emily Evan Rae, who played a young Kate Austen (Evangeline Lilly), has landed a multi-episode arc on "Parenthood." The young actress, whose little sister Savannah Paige Rae plas Sydney on the series, will have some interaction with Max (Max Burkholder) as a member of the student council. [TVLine]

Denise Richards has a new gig. The actress will appear in the ABC Family drama pilot "Socio" as the mother of the protagonist Danny Ryder (Avan Jogia), who returns home after serving five years for murdering his aunt as a child and reconnects with his best friends Jo (Maddie Hasson) and Lacey (Kylie Bunbury). "Terriers" alum Kimberly Quinn has joined the pilot as well as Jo's mom. [THR]

Keith David is joining "Touch." "The Cape" alum will guest star as Dutch, an ex-Navy Seal and old friend of Keifer Sutherland's character, on a Season 2 episode. [TVLine]

Hal Holbrook is stopping by "Monday Mornings." Holbrook will play neurosurgeon Arvin Wayne on the TNT series. [TVLine]

Katie Cassidy is returning to "Gossip Girl." The "Arrow" actress will return to the CW series as the mischief-making Juliet Sharpe for the show's series finale. [EW]

Richard Harmon has been cast in "Bates Motel." Harmon has joined the A&E series as Norman Bates' (Freddie Highmore) high school nemesis. [TVLine]

There's more casting news for "The Secret Lives of Wives." "Awake" alum Laura Allen joins the NBC pilot as Alison Dunn, the "grounded and levelheaded wife of Kyle" (Martin Henderson) who has something he's hiding. [TVLine]

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