Deadlier Than the Male intrigue when he comes to visit. The title is a reference to the 1911 Rudyard Kipling poem "The Female of the Species," which includes the line, "The female of the species must be deadlier than the male", and also refers to Sapper's earlier Drummond book, "The Female of the Species". The working title of the film was "The Female of the Species". "Deadlier Than the Male", the song featured in the film`s opening credit sequence, was performed by the Walker Brothers. Filmed in Technicolor and Techniscope, portions of the film were shot in Lerici, La Spezia, Liguria, Italy. A sequel,
The Bridge of Sighs (poem) (Watts Gallery, Compton, Surrey). The poem was also illustrated in a bas-relief on Hood's tomb. Former Procul Harum guitarist Robin Trower released a certified Gold album of the same name with the title track song "Bridge of Sighs" in 1974 The Bridge of Sighs (poem) "The Bridge of Sighs" is a famous poem of 1844 by Thomas Hood concerning the suicide of a homeless young woman who threw herself from Waterloo Bridge in London. Although Thomas Hood (1799–1845) is usually regarded as a humorous poet, towards the end of his life, when he was on his sick bed, he wrote