Jerry Seinfeld played a fictionalized version of himself on the hit sitcom.NBC / Contributor; Amy Sussman/Getty Image NBC's "Seinfeld" followed the misadventures of friends living in New York. Stars Jerry Seinfeld, Julia Louis-Dreyfus, and Jason Alexander have continued acting. Recurring actors like Bryan Cranston and Patrick Warburton found success on hit shows. Jerry Seinfeld played the titular character.Jerry Seinfeld plays a stand-up comedian, inspired by his own life.Sony Pictures TelevisionSeinfeld portrayed a semi-fictionalized version of his life as a stand-up comedian on the sitcom.Prior to that, he had a short-lived, recurring role as mail-delivery boy Frankie on the ABC sitcom "Benson."Seinfeld remains a comedy legend.Jerry Seinfeld in 2023.Amy Sussman/Getty ImageSeinfeld returned to New York and his stand-up comedy roots when the show ended in 1998.