​From Wikipedia, the free encyclopedia.   Sinéad Moira Cusack (born 18 February 1948) is an Irish stage, television and film actress. She has received two Tony Award nominations: once for Best Leading Actress in Much Ado About Nothing (1985), and again for Best Featured Actress in Rock 'n' Roll (2008). Description above from the Wikipedia article Sinéad Cusack, licensed under CC-BY-SA, full list of contributors on Wikipedia.