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Castle Scoop: Eddie McClintock to Guest-Star in Season Finale

Castle and Beckett's nuptials may have just gotten a little more complicated. Eddie McClintock has been tapped to guest-star in "For Better or Worse," the upcoming season finale of Castle, TVGuide.com has confirmed. The best and worst series finales The Warehouse 13 alum, whose credits also include Modern Family and The Mentalist, will play...

Natalie Abrams
Natalie Abrams

Castle and Beckett's nuptials may have just gotten a little more complicated.

Eddie McClintock has been tapped to guest-star in "For Better or Worse," the upcoming season finale of Castle, TVGuide.com has confirmed.

The best and worst series finales

The Warehouse 13alum, whose credits also include Modern Familyand The Mentalist, will play small town hustler Rogan O'Leary who shares a complicated past with Beckett (Stana Katic), according to TVLine. Could he play spolier at the (presumed) wedding?

McClintock first announced his casting on Instagam

Castle airs Mondays at 10/9c on ABC.