Conspirator is a 1949 British thriller film directed by Victor Saville and starring Robert Taylor and Elizabeth Taylor. Based on the 1948 novel Conspirator by Humphrey Slater, the film is about a beautiful eighteen-year-old American woman who meets and falls in love with a British Guards officer who turns out to be a spy for the Soviet Union. After they are married, she discovers his true identity and forces him to choose between his marriage and his ideology. When his Soviet handlers order him to murder his young American wife, he is faced with the ultimate choice. Conspirator was made for distribution by MGM.