Rosemarie DeWitt, Actress: Cinderella Man. Rosemarie DeWitt was born on October 26, 1974 in Flushing, Queens, New York City, New York, USA. She is known for her work on Cinderella Man (2005), The Watch (2012) and The Odd Life of Timothy Green (2012). She has been married to Ron Livingston since November 2, 2009. They have one child.