David Margulies was born in New York City, New York, USA as David Joseph Margulies.
Margulies' film credits include The Front (1976), Last Embrace (1979), All That Jazz (1979), Hide in Plain Sight (1980), Dressed to Kill(1980), Times Square (1980), I'm Dancing as Fast as I Can (1982), Daniel (1983), Ghostbusters (1984), Brighton Beach Memoirs (1986),9½ Weeks (1986), Ishtar (1987), Running on Empty (1988), Ghostbusters II (1989), Out on a Limb (1992), A Stranger Among Us (1992),Ace Ventura: Pet Detective (1994), and Fading Gigolo (2013).
Among Margulies' television credits are Kojak, Tales from the Darkside, Spenser: For Hire, The Days and Nights of Molly Dodd, Chicago Hope, NYPD Blue, Northern Exposure, Touched by an Angel, four episodes of Law & Order, and eight episodes of The Sopranos as mob boss Tony Soprano's lawyer Neil Mink.