Colleen Dewhurst, (born June 3, 1924, Montreal, Que., Can.—died Aug. 22, 1991, South Salem, N.Y., U.S.), American actress who was the leading Broadway interpreter of the plays of Eugene O’Neill in the second half of the 20th century. The daughter of a professional hockey player, Dewhurst eventually moved to New York City, where she studied acting at the American Academy of Dramatic Arts and privately under Joseph Anthony and Harold Clurman. She made her Broadway debut in a minor role in…