1948 film by Carol Reed
The Fallen Idol (also known as The Lost Illusion) is a 1948 British mystery thriller film directed by Carol Reed, and starring Ralph Richardson, Bobby Henrey, Michèle Morgan, and Denis O'Dea. Its plot follows the young son of a diplomat in London, who comes to suspect that his family's butler, whom he idolises, has committed a murder. It is based on the 1936 short story "The Basement Room", by Graham Greene.
The film was nominated for the Academy Award for Best Director (Carol Reed) and Best Adapted Screenplay (Graham Greene), and won the BAFTA Award for Best British Film.
Plot summary adapted from Wikipedia, licensed under CC BY-SA 4.0.