Mark Robson Director Barbara Parkins Anne Welles Actor Patty Duke Neely O'Hara Actor Sharon Tate Jennifer North Actor Paul Burke Lyon Burke Actor Tony Scotti Tony Polar Actor Martin Milner Mel Anderson Actor Charles Drake Kevin Gillmore Actor Alexander Davion Ted Casablanca Actor Lee Grant Miriam Polar Actor Naomi Stevens Miss Steinberg Actor Robert H. Harris Henry Bellamy Actor Jacqueline Susann First Reporter at Jennifer's suicide Actor, Screenwriter Robert Viharo Film director Actor George Jessel MC at Grammy Awards Actor Susan Hayward Helen Lawson Actor Mikel Angel Man in hotel room (uncredited) Actor Barry Cahill Man in bar (uncredited) Actor Richard Angarola Claude Chardot (uncredited) Actor Joey Bishop MC at Cystic Fibrosis telethon Actor Judith Lowry Aunt Amy (uncredited) Actor Jeanne Gerson Neely's maid (uncredited) Actor Richard Dreyfuss Assistant stage manager (uncredited) Actor Helen Deutsch Writer David Weisbart Producer André Previn Original Music and Songs Dory Previn Original Music and Songs John Williams Original Music William H. Daniels Cinematographer Dorothy Spencer Film Editing Joe Scully Casting Philip M. Jefferies Production Design Richard Day Art Director Jack Martin Smith Art Director Raphael Bretton Set Decoration Walter M. Scott Set Decoration