I recognized from the very beginning that he posed a threat to her. Gaslight was directed by George Cukor, adapted for the screen from Patrick Hamilton’s play by John Van Druten, Walter Reisch and John L. Balderston. The film features Ingrid Bergman, Charles Boyer, Joseph Cotton, May Whitty, Barbara Everest and Angela Lansbury. Bronislaw Kaper composed the music, and Joseph Ruttenberg was in charge of cinematograp…