Marin Hinkle was born to a Margaret R. Hinkle, a Justice of the Superior Court of Massachusetts, and Rodney Hinkle, a college dean and teacher. She went on to have an impressive academic career herself at NYU and Brown University.
As an actress, Marin had mostly smaller roles in television shows and movie until she landed the series regular role as Alan's ex-wife, Judith, on Two and a Half Men.