Carol Ann Susi. Actress: Cats & Dogs - Wie Hund und Katz'. Carol Ann Susi (February 2, 1952 - November 11, 2014) was an American actress best known for her portrayal of the voice of recurring unseen character Mrs. Wolowitz on the television series The Big Bang Theory (2007). Susi was born in Brooklyn and was of Italian descent. She studied acting at HB Studio in New York City before...