Carol Ann Susi
Carol Ann Susi (February 2, 1952- November 11, 2014) was an American actress, and played the role of
voicing Mrs. Wolowitz. She has only been portrayed as yelling from another room or off-camera and has yet to be seen except in quick glimpses or body parts such as an arm and walking by the kitchen door.
Susi's other screen credits include Just Go with It, Becker, CSI: NY - The Game, Grey's Anatomy, That '70s Show, Out of Practice, Cats & Dogs, Just Shoot Me, Married... with Children, Death Becomes Her, Seinfeld, The Secret of My Success, My Blue Heaven (Filomena), Sabrina The Teenage Witch, and Kolchak: The Night Stalker, her first screen appearance which has a cult following and the geeks in TBBT probably follow the series. Susi also has extensive experience in live theater.
She lost her battle with cancer on November 11th, 2014