An over-the-hill movie producer marries a wealthy, spiteful woman and closeted lesbian just to please his spoiled daughter who then, in an attempt to spite him, seduces both a wealthy playboy and a local screenwriter.
Jacqueline Susann's Once Is Not Enough is a 1975 American romance film, directed by Guy Green, starring Kirk Douglas, Alexis Smith, David Janssen, George Hamilton, Brenda Vaccaro, Melina Mercouri, and Deborah Raffin. It was produced by Howard W. Koch and written by Julius J. Epstein, based on the 1973 novel of the same name by Jacqueline Susann.