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,
More Deadly Than the Male More Deadly Than the Male More Deadly Than The Male is a 1919 silent film comedy adventure produced by Famous Players-Lasky and released by Paramount Pictures. Robert G. Vignola directed and Ethel Clayton stars. As described in a film magazine, Helen O'Hara (Clayton), actress and manager, is in love with Richard Carlin (Coxen). Richard is a man of the world, more fond of roaming in foreign countries and exploring other lands rather than enjoying the comforts of city or country life. Helen decides to change his habits and make of him a useful citizen. With this purpose, she stages a