Castle' was a hit show for yearsIt was cancelled ... Tamala Jones had not been willing to renew their roles beyond season 8, while Nathan Fillion and other main cast members signed on for one ...

Actor Nathan Fillion admitted he was one of many Castle fans who felt the show didn’t have a good send-off. His co-star, Stana Katic, wasn’t sure if season 8 would become its last. However ...