Downton Abbey:  Meet the new cast – Paul Giamatti

American Paul Giamatti is an Academy Award nominated actor known for his roles in such films as The Truman Show, Saving Private Ryan, Cinderella Man, American Splendor, Sideways, and The Illusionist.  He won an Emmy, Golden Globe, and a SAG award for his role as the title character in John Adams.

He will arrive at Downton in the Christmas episode as Uncle Harold, the wild playboy brother of Lady Cora.