Adaptation of Agatha Christie's whodunit about a wily barrister defending a charming but struggling inventor accused of murdering a wealthy widow who was a potential investor. Evidence against the accused is strong, but he has an alibi in his wife, or does he? A Best Picture nominee. Real-life husband and wife, Charles Laughton and Elsa Lanchester, were nominated for Best Actor and Best Supporting Actress as the lawyer and his nurse.