Castle’s lawyer - and a pastor. In the finale. The title is ‘For Better Or Worse’. Could the ‘worse’ be a last minute glitch such as maybe Castle isn’t quite as divorced as he thought he was? Hence the lawyer. But all gets ‘better’ in 43 minutes - hence the pastor.
Fan: “I was just wondering if we were going to find out more about either Kate or Rick’s childhood? Are we going to see them as kids or teenagers?” Nathan: “Ooh that’d be cool, like having a… Ooh what if we had an episode where we kind of go do a flashback, and like they’ve met once as kids, but don’t remember” Marlowe: “That’d be fun” Nathan: “Right? Pulling some pigtails on a playground… ‘Kate! Stop pulling my pigtails!’ “