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Castle - Season 6 - Casting News - Eddie McClintock guest starring

Update: 3rd April We now have a few details of the role.

McClintock will appear in the May 12 season ender, which is confirmed to be titled “For Better or Worse,” as Rogan O’Leary, a small town hustler who is infamous for his lying, cheating and scheming.
Oh, and Rogan also has a “complicated past” with Beckett.