Based on a play by Frederick Knott ; produced on the New York Stage by Fred Coe. Originally released as a motion picture in 1967 by Warner Brothers. Special features: Take a look in the dark as Alan Arkin and producer Mel Ferrer reminisce about the making of the film ; stage frantics essay covers the property's stage-to-screen evolution ; interactive menus ; cautionary teaser and standard theatrical trailers ; scene access. MPAA rating: NR ; Board of Film Censors, Singapore: PG. Director of photography, Charles Lang ; art director, George Jenkins ; film editor, Gene Milford ; music, Henry Mancini. Audrey Hepburn, Alan Arkin, Richard Crenna, Jack Weston, Efrem Zimbalist, Jr. Soundtrack in English, Portugese or Spanish with optional subtitles in Chinese, English, Japanese, Bahasa Indonesia, Korean, Portuguese, Spanish or Thai.