Durning's performances in Broadway productions were "Drat! The Cat!" (1965), "Pousse-Café" (1966), "The Happy Time" (1968), "Indians" (1969), "That Championship Season" (1972), "In the Boom Boom Room" (1973), "The au Pair Man" (1973), "Knock Knock" (1976), "Cat on a Hot Tin Roof" (1990), "Inherit the Wind" (1996), "The Gin Game" (1997), Gore Vidal's "The Best Man" (2000). His most recent performances in New York City stage productions are "The Resistible Rise of Arturo Ui" (2002) by Bertolt Brecht with Al Pacino and Wendy Wasserstein's final play, "Third" (2005).