Photos from Surprising Castle Guest Stars

Don't mess with Dana! The Desperate Housewives star stepped into the role of FBI Special Agent Jordan Shaw in season two of Castle, apprehending serial killer Scott Dunn (Dameon Clarke) in a dramatic two-part episode. In "Tick, Tick, Tick..." and "Boom!" she helps catch the mastermind, who becomes obsessed with Beckett after reading Castle's book Heat Wave.

It's no coincidence Dana went on to land her own crime show, Body of Proof, which ran from 2011 to 2013.

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