In 1974 Once Is Not Enough was made into a film. It starred Deborah Raffin as January, David Jansenn as Tom Colt, Kirk Douglas as Mike Wayne, Alexis Smith as Dee Granger, and Melina Mecouri as Karla. Brenda Vacarro won a Golden Globe for her role as Linda Riggs. Susann had a cameo as a T.V.

newscaster. She was like a little Hitchcock, putting in an appearance in all of the movies made of her books. The film was relatively successful, but created nothing like the furious ticket-buying for Valley of the Dolls. The critics, as usual, were less than kind.