Paul Giamatti John Adams Actor Laura Linney Abigail Adams Actor Stephen Dillane Thomas Jefferson Actor Danny Huston Samuel Adams Actor Tom Wilkinson Benjamin Franklin Actor Sarah Polley Abigail Adams Smith Actor David Morse George Washington Actor John Dossett Benjamin Rush Guest Star Jean-Hugues Anglade Comte de Vergennes Guest Star Judith Magre Madame Helvétius Guest Star Steven Hinkle Young John Quincy Adams Guest Star Madeline Taylor Young Nabby Adams Guest Star Neal Huff Captain John Tucker Guest Star Jean Brassard Admiral D'Estaing Guest Star Tom Hooper Director Tom Hanks Executive Producer Gary Goetzman Executive Producer Kirk Ellis Executive Producer Frank Doelger Producer David Coatsworth Producer