Johnny Colini, an exiled American living in Rome, rescues Salvatore Giordano, a young Sicilian outlaw, from the police. After Giordano is groomed, polished, and renamed "Johnny Cool", Colini sends him on a mission of vengeance to the United States to assassinate the men who plotted his downfall and enforced exile. Johnny arrives in New York and quickly kills several of the underworld figures on Colini's list.
Meanwhile, he picks up Darien "Dare" Guinness, a wealthy divorcée who becomes his accomplice, she is later severely beaten by the gangsters as a warning to Johnny against pursuing his vendetta. Soon the FBI becomes involved, and when Johnny and Dare bomb the Hollywood home of gangster Lennart Crandall, the police are able to identify Dare's car when she panics and leaves it parked on the street. The two had separated and planned to meet later, but Dare, abruptly realizing that Johnny is a vicious killer, tells his enemies where to find him. She then surrenders herself to the FBI, as Johnny is being tortured by his captors at the film's conclusion.
The film score was composed, arranged and conducted by Billy May, and the soundtrack album was released on the United Artists label in 1963.[5]Allmusic's Steven McDonald noted "This soundtrack manages to mix the early '60s caper-flick brand of jazz with the darker feel of 1950s film noir – a genre to which Johnny Cool was a deliberate throwback."[4]
^ abThomas, Bob (18 October 1964). "Lawford Like No Other Commuter". The Washington Post and Times-Herald (1959–1973); Washington, D.C. p. G6.
^Silver, Alain; Ward, Elizabeth; Ursini, James; Porfirio, Robert (2010). Film Noir: The Encyclopaedia. New York: Overlook Duckworth. ISBN978-1-59020-144-2.