MARY CATHERINE GARRISON (Izzy). Broadway: Assassins, The Man Who Came to Dinner. Off-Broadway: The Foreigner, Debbie Does Dallas, Crimes of the Heart (2nd Stage), The Last of the Thorntons (Signature Theatre), Horton Foote’s The Prisoner’s Song (Ensemble Studio Theatre), Street Scene (Williamstown Theatre Festival. Film: How to Deal, Moonlight Mile, 8mm. TV: “Inconceivable” (series regular), “The Partners” (pilot), “Law & Order” and “Third Watch.”