On a special <strong>Sunday, February 14</strong> episode of ABC's "Castle," former "One Life to Live" actress <strong>Kassie DePaiva</strong> (ex-Blair Cramer; Eve Donovan, "Days of our Lives") will reunite with series star <strong>Nathan Fillion</strong>, who portrayed the role of Joey Buchanan on the daytime soap in the 1990's, <em>Soap Opera Network</em> has learned.