General Hospital Casting Shocker: Chris McKenna OUT As Jack Brennan Reports claim Brennan's story is coming to a tragic end, leaving fans wondering how his departure will reshape Port Charles. General Hospital spoilers confirm that Jack Brennan’s days are numbered in Port Charles as Chris McKenna is slated to exit the ABC soap. Key TakeawaysReports suggest Jack Brennan will exit General Hospital this fall. Are you sad to see Chris McKenna and Jack Brennan leave Port Charles? Catch the popular ABC soap daily for all the exciting moments and visit CTS often for the best General Hospital updates, spoilers, and news.