According to Wikipedia,
Fred Melamed is an American actor, comedian, and writer. He is best known for portraying Sy Ableman in A Serious Man , Arthur Hart in WandaVision , Tom Posorro in Barry , and William Ginsberg in American Crime Story. He is also known for his collaborations with Woody Allen appearing in seven of his films including Hannah and Her Sisters , Radio Days , and Crimes and Misdemeanors . Vulture named him one of the greatest character actors working today.
Fred Melamed is affiliated with the following schools: