A veteran of the Yiddish Art Theater from his teens, Harris made his first Broadway appearance in 1937 in Schoolhouse on the Lot. His other Broadway credits include Xmas in Las Vegas (1965), Minor Miracle (1965), Foxy (1963), Look, Ma, I'm Dancin'! (1947) and Brooklyn, U.S.A. (1941).
From 1950 on, he appeared extensively on television series, specializing in playing shady, if not outright evil, characters. From 1953–1956 he played Jake Goldberg in The Goldbergs, one of his few sympathetic roles. (His obituary distributed via United Press International says that he played the role of Jake Goldberg in 1953-1954.) In 1957, Harris played the lead role in The Court of Last Resort.
In 1952, Harris was the managing Director of the Woodstock Playhouse in Woodstock, New York. Prior to that, he had directed repertory theatera in Boston and Hollywood.
He also made many guest appearances in many other TV series. These include eight appearances in Alfred Hitchcock Presents between 1956 and 1961 and seven appearances in Perry Mason between 1958 and 1965 including in the 1962 episode "The case of the Dodging Domino". Among his seven appearances, he played the murderer three times, the murder victim once, and the defendant once. He also appeared in other television series such as Peter Gunn, 77 Sunset Strip, Ben Casey, The Asphalt Jungle, and Rawhide.
He starred in the 1958 B-movie horror film How to Make a Monster and had notable appearances as a rich cuckold in Elia Kazan's 1963 film America America, and Edward Dmytryk's 1965 film Mirage, as the obsessive-compulsive consulting Psychiatrist. His other film credits included roles in Bundle of Joy (1956), The Invisible Boy (1957), Peyton Place (1957), The George Raft Story (1961), Apache Uprising (1965), Valley of the Dolls (1967), How Awful About Allan (1970), The Great Northfield Minnesota Raid (1972) and The Man in the Glass Booth (1975).
Harris died November 30, 1981, and was buried December 3, 1981. He was survived by his wife, Viola Harris, a son, a daughter, a brother and two sisters.
