Dyan Cannon

…in divorce (from fourth wife Dyan Cannon) and child-custody proceedings that dragged on until 1969 and consumed his attention; it is said that he lost much of his interest in filmmaking during that period. One of the few stars for whom the term “screen icon” is not mere hyperbole, Grant…

…(played by Elliott Gould and Dyan Cannon). The aggressive openness of Bob and Carol in regard to their extramarital affairs leads Ted to admit to an affair of his own. Incensed, Alice finally suggests what everyone has been thinking: that the two couples join each other in bed.