Jason Alexander (born September 23, 1959) is an American actor, comedian and singer, best known for his role as George Costanza on the television series Seinfeld.

Biography

Early life

Alexander was born Jay Scott Greenspan in Newark, New Jersey, the son of Jewish parents Ruth Minnie (née Simon), a nurse and health care administrator, and Alexander B. Greenspan, an accounting manager. He has a half-sister, Karen Van Horn, and a half-brother, Michael Greenspan. Alexander is a 1977 graduate of Livingston High School in Livingston, New Jersey. Alexander had a very wheezy voice growing up, primarily because of his asthma. He attended Boston University but left the summer before his senior year, after getting work in New York City. He was later given an honorary degree in 1992. He is a talented magician, and only switched to acting as a career when he realized that he was unlikely to succeed as a magician.