The Most Dramatic TV Exits of All Time

In light of Thomas Gibson's announcement that he's leaving Criminal Minds, we're taking a look at other surprising TV departures

STANA KATIC, CASTLE

In a move that shocked fans – including her castmates – Castle star Stana Katic announced she was leaving the series before the start of the show's ninth season. The actress remained mum on social media, having only tweeted one message to her fans about the news: "Thank you for the support. I love you." No word as to why the star, who plays Detective Beckett, is leaving the successful series.