The actor, best known for playing Carrie Bradshaw's best friend, Stanford Blatch, in Sex and the City and Mozzie in White Collar, has died following a short illness. Garson had been suffering from pancreatic cancer, People reported. He was 57. Garson appeared in the whole run of the original Sex and the City series on HBO, as well as both films. Additional film and TV credits include NYPD Blue, Boy Meets World, Freaky Friday, Zoom, Stargate SG-1, John From Cincinnati, Hawaii Five-0, Supergirl, Whole Day Down and Magic Camp.