William Garson Paszamant is an American actor. Was born February 20, 1964 in Highland Park, New Jersey. He appeared in over 75 films, and upwards of 300 TV episodes. He is best known for playing iconic Stanford Blatch on the HBO series Sex and the City and in the related films Sex and the City and Sex and the City 2.

Also known for his role of Mozzie, in the USA Network series White Collar from 2009 to 2014.

He appears on Hawaii Five-0(2010-present) as Gerard Hirsch.

In 2009, Garson adopted a seven-year-old son, Nathen.