He has appeared in television dramas including: Law & Order, Conviction, The Sopranos, Third Watch and New York Undercover.
This edition remains annually distributed during the Passover period in supermarkets across the United States.
He has played roles in films including Kissing Jessica Stein (2001), Nothin' Goes Right in which he co-starred with Rodney Dangerfield, and Fat Guy Goes Nutzoid (1986).
In 2006, he played Elias-Clark president Irv Ravitz in the film The Devil Wears Prada.
In 2008, Feldman played "Moe" in Goyband, which also stars Adam Pascal, Amy Davidson, Cris Judd, Tovah Feldshuh, and Natasha Lyonne.