Dufour went to New York in 1949; there he acted in theaters and performed in minstrel shows and night clubs. He worked as an elevator operator and taught acting to supplement his income from entertaining. On Broadway he portrayed the sheriff in
The Grass Harp (1952) and Abraham Levy in ''
Abie's Irish Rose (1954). He also performed in the Chicago company of Mr. Roberts''. Dufour first appeared on
episodic television in 1952, and amassed appearances on over a dozen series. He was best known for his role as John Wyatt on the
soap opera Search for Tomorrow, which he played from 1972 to 1979. Dufour won a
Daytime Emmy Award for his performance in 1977. Before his debut on
Search for Tomorrow, Dufour was also noted for his role as Walter Curtin on
Another World from 1967 to 1972 and for his role of Andre Lazar on
The Edge of Night. ==Personal life and death==