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Catherine Ann Callahan is an Actress, Writer and Filmmaker known for Billions (2016-2018) , The Blacklist (2017) and LI Divas (2014-2018) After graduating from Cornell University, she soon began her career in New York City and has been seen in several National Commercials and Television Series. She's married to Paul Blanchard. Born and Raised on Long Island, New York, she continues to live in New York. imdb.com