In which film did Angela Lansbury earn an Academy Award nomination for her film debut?

The film "Gaslight" (1944) was Angela Lansbury's very first film. It earned her an Academy Award nomination for Best Supporting Actress. Lansbury was seen an 18-year-old actress with exceptional abilities, talents, and potential for accomplishment when she was hired to make her Oscar-nominated screen debut. She played the role of Nancy Oliver. She was a devious Cockney maid.

In the film's plot, after the death of her famous opera-singing aunt, Paula (Ingrid Bergman) is sent to study in Italy where it is hoped that she will become a great opera singer. While there, she falls in love with the charming Gregory Anton (Charles Boyer). The two return to London and Paula begins to notice strange goings-on: missing pictures, strange footsteps in the night, and gaslights that dim without being touched. As she fights to retain her sanity, her new husband's intentions come into question. He is slowly manipulating her into believing that she is going insane.

"Gaslight" is a psychological thriller that was adapted from Patrick Hamilton's 1938 play 'Gas Light'. This film was directed by George Cukor and produced by Arthur Hornblow Jr. The screenwriters were John Van Druten, Walter Reisch, and John L. Balderston. The film was nominated for 7 Academy Awards, including Best Picture, Best Actor, and Best Screenplay. It won awards for Best Actress and Best Production Design.