Once Is Not Enough offered a multiple-choice "audience participation" review, in which the reader was given four choices (ludicrous, bad, terrible, horrendous) by which to evaluate the movie. Despite the reviews, the film was a commercial success, earning $15.7 million at the box office (equivalent to $65.2 million in 2017). Brenda Vaccaro, as Linda Riggs, received an Oscar nomination for her performance. Once Is Not Enough Once Is Not Enough is the third novel by Jacqueline Susann, following her huge best sellers "Valley of the Dolls" (1966) and "The Love Machine" (1969). With "Once Is Not Enough," Susann became the first writer in publishing
Jacqueline Susann James Dunn. For reasons which remain unclear, the play was not produced. In 1970, Susann made a brief return to the stage when she appeared in Blanche Yurka's off-Broadway revival of Jean Giraudoux's "The Madwoman of Chaillot". Clive Barnes in the "New York Times" panned the production; of the cast, he praised only Yurka, but he did mention that "Jacqueline Susann looks a great deal prettier than the publicity stills on her book jackets might lead you to believe." From 1948 to 1950, Susann appeared on "The Morey Amsterdam Show", a comedy series (telecast first on CBS, then on DuMont),