Tags: Novel.
Once Is Not Enough is a 1973 novel by Jacqueline Susann. It was the #2 best-selling novel of 1973 in the United States. It was made into a 1975 film Jacqueline Susann’s Once Is Not Enough directed by Guy Green and starring Kirk Douglas Deborah Raffin David Janssen and Brenda Vaccaro. Vaccaro was nominated for an Oscar as Best Supporting Actress for her role as Linda Riggs.