Mark Pellegrino to Guest Star on Castle

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Mark Pellegrino has landed another major guest-starring role.

The Lost/Being Human/The Closer/Supernatural actor will appear on an upcoming episode of Castle, TV Line reports.

Mark Pellegrino Photo

Pellegrino will portray a club owner named Tom Dempsey in a February Sweeps episode that takes us back to 1947. It will feature a unique, fantasy-type flashback by Castle, along with a present day murder investigation.

Castle is on hiatus until January. It recently hired Justin Hartley and Hilarie Burton to guest star in another unique episode, one based around a talentless reality star.

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Castle Quotes

I don't get it. He's into you and your determined not to give into these feelings that you clearly have for him. So he fantasizes about you through his writing. It is literally verbal masturbation.

Natalie

I can't tell you how many times I've had dreams of being on this very ship.

Beckett