Michael Trucco, best known for his role on Battlestar Galactica, in joining Castle in a recurring role.

The actor will play a love interest for Stana Katic's Kate Beckett. The character will be a charismatic cop in the homicide division and will appear in this season’s final four episodes. He might even return in the fall, according to Michael Ausiello.

Trucco has also guest-starred on episodes of One Tree Hill, Eli Stone and The Big Bang Theory.

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