showed signs of insecurity and paranoia; he would become highly anxious and jealous, for example, when Ekland starred opposite attractive men. Shortly after the wedding, Sellers started filming on location in Twentynine Palms, California for Billy Wilder's Kiss Me, Stupid, opposite Dean Martin and Kim Novak. The relationship between Wilder and Sellers became strained; both had different approaches to work and often clashed as a result. On the night of 5 April 1964, prior to having sex with Ekland, Sellers inhaled amyl nitrites (poppers) as a sexual stimulant in his search for "the ultimate orgasm", and suffered a series of eight heart attacks over the course of three hours as a result. His illness forced him to withdraw from the filming of Kiss Me, Stupid and he was replaced by Ray Walston. Wilder was unsympathetic about the heart attacks, saying that "you have to have a heart before you can have an attack". After some time recovering, Sellers returned to filming in October 1964, playing King of the Individualists alongside Ekland in A Carol for Another Christmas, a feature-length United Nations special broadcast in the United States on the ABC channel on 28 December 1964. Sellers had been concerned that his heart attacks might have caused brain damage and that he would be unable to remember his lines, but he was reassured that his memory and abilities were unimpaired after the experience of filming. Sellers followed this with the role of the perverted Austrian psychoanalyst Doctor Fritz Fassbender in Clive Donner's What's New Pussycat?, appearing alongside Peter O'Toole, Romy Schneider, Capucine, Paula Prentiss and Ursula Andress. The film was the first screenwriting and acting credit for Woody Allen, and featured Sellers in a love triangle. Because of Sellers's poor health, producer Charles K. Feldman insured him at a cost of $360,000 ($ in dollars). On 20 January 1965, Sellers and Ekland announced the birth of a daughter, Victoria. They moved to Rome in May to film After the Fox, an Anglo-Italian production in which they were both to appear. The film was directed by Vittorio De Sica, whose English Sellers struggled to understand. Sellers attempted to have De Sica fired, causing tensions on the set. Sellers also became unhappy with his wife's performance, straining their relationship and triggering open arguments during one of which Sellers threw a chair at Ekland. Despite these conflicts, the script was praised for its wit.