Witness for the Prosecution is a 1957 American courtroom drama film directed by Billy Wilder and starring Tyrone Power, Marlene Dietrich, and Charles Laughton. The film is based on the play of the same name by Agatha Christie and tells the story of Leonard Vole, a young man on trial for the murder of a wealthy older woman. Vole's defense lawyer, Sir Wilfrid Robarts, believes in his innocence and fights to prove it in court, but as the trial progresses, it becomes clear that there are multiple witnesses with conflicting testimony and that nothing is as it seems.
Witness for the Prosecution was a critical and commercial success and is considered a classic of the courtroom drama genre. It was nominated for six Academy Awards, including Best Actor for Laughton and Best Supporting Actress for Dietrich, and won for Best Art Direction. The film's cast, particularly Laughton and Dietrich, give memorable performances, and the film's twisty plot and atmosphere of suspicion keep the audience guessing until the very end.
Overall, Witness for the Prosecution is a must-see for fans of classic cinema and is considered one of Billy Wilder's greatest films. It has been widely praised for its acting, direction, and its ability to keep the audience on the edge of their seats with its twists and turns.