Andrey Konchalovskiy Director, Screenwriter Jill Clayburgh Diana Actor Barbara Hershey Ruth Actor Martha Plimpton Grace Actor Merritt Butrick Mike Actor John Philbin Tommy Actor Don Swayze Mark Actor Pruitt Taylor Vince Paul Actor Mare Winningham Candy Actor Gérard Brach Screenwriter Marjorie David Screenwriter Yoram Globus Producer Menahem Golan Producer Chris Menges Cinematographer Alain Jakubowicz Film Editing Tangerine Dream Original Music Stephen Marsh Production Design Leslie McDonald Art Director Leslie Morales Set Decoration Katherine Dover Costume Design Robert MacDonald Casting