This tall, curly-haired son of former Major League Baseball commissioner A Bartlett Giamatti and older brother of actor Paul Giamatti, began his career with a one-shot appearance in a TV commercial at age nine. After training at Yale, Marcus Giamatti embarked on a stage career that included work in regional theaters before he landing a role in a 1989 Lincoln Center staging of "Measure for Measure". The following year, he broke into features in "Mr. and Mrs. Bridge" and followed with roles in the formulaic gridiron comedy "Necessary Roughness", starring Scott Bakula, and the CBS movie
