Daily News & Analysis | Carol Ann Susi aka Debbie Wolowitz on The Big Band Theory no more Daily News & Analysis A screen-grab of a scene from Grey's Anatomy where Carol Ann Susi guest starred for an episode. YouTube. Carol Ann Susi, popular for playing the iconic voice of Debbie Wolowitz on the hit television sitcom The Big Bang Theory passed away Tuesday ... 'Big Bang Theory's' Carol Ann Susi, the unseen Mrs. Wolowitz, dead at 62 'Big Bang' family mourns loss of colleague 'Big Bang Theory' actress Carol Ann Susi dies |