He portrayed bartender Harry Snowden on the CBS sitcom All in the Family (1977–1979), a role he reprised on the continuation series Archie Bunker's Place (1979–1983).

He was also the original voice of Star Wars character Boba Fett in The Empire Strikes Back (1980) and Return of the Jedi (1983).

[3] During World War II, he served with the United States Army Air Force and was stationed in England and Germany.

He was a co-founder of the Circle in the Square Theatre company in New York's Greenwich Village, and he appeared for the first time on Broadway in two 1954 plays: The Girl on the Via Flaminia and Fragile Fox.

[6] Wingreen lent his voice to the bounty hunter Boba Fett in the 1980 sequel to Star Wars, The Empire Strikes Back.

[9] Wingreen was known for his role as bar owner/bartender Harry Snowden on the television sitcom All in the Family and its continuation series, Archie Bunker's Place.

Wingreen also had a recurring role as Judge Arthur Beaumont in the series Matlock, and has guest-starred in numerous other series, including Mission: Impossible, Outer Limits, Bonanza, The Rockford Files, The Armstrong Circle Theatre, Alcoa Theatre, The Man From U.N.C.L.E., The Many Loves of Dobie Gillis, Dr. Kildare, and The Fugitive.

Jeremy Bulloch, who physically portrayed Boba Fett, paid tribute saying that "he will be sadly missed by his family, friends and all the Star Wars fans.

"[16] He was survived by his son, theoretical physicist, Ned Wingreen, two grandchildren, and his sister, Harriet, a former pianist for the New York Philharmonic.