AJ Cook's character was an integral part of Criminal Minds, but for exactly one season ... Along with Cook's sudden departure announced at the end of season 5, Paget Brewster, who played Emily ...

Criminal Minds catapulted many actors to stardom during its extensive 15 seasons, but it seems AJ Cook wasn't too interested in that and decided to focus her time on another profession.

Paget Brewster, Aisha Tyler, Joe Mantegna, A.J. Cook, Kirsten Vangsness and new cast ... Aisha Tyler called the 15th and final season 'a magnificent end to a truly magnificent thing.' ...