The Lady Vanishes (1979 film)

The Lady Vanishes is a 1979 English comedy mystery film directed by Anthony Page. Its screenplay by George Axelrod was based on the novel The Wheel Spins by Ethel Lina White 18761944. It stars Elliott Gould as Robert, Cybill Shepherd as Amanda Iris, Angela Lansbury as Miss Froy, Herbert Lom, Arthur Lowe and Ian Carmichael as Charters and Caldicott.

In August 1939, a motley group of travellers find themselves in a small hotel in Bavaria, awaiting a delayed train to Switzerland. They include a much married madcap American heiress, Amanda MetcalfMidvaniVon HoffsteaderKelly, and Robert Condon, a wisecracking American photographer.That evening, Amanda gets very drunk and is knocked unconscious. The following morning, badly hungover, she finds herself in a train compartment with Miss Froy, an elderly governess, and Baroness Kisling with her servants. Other travellers include Charters and Caldicot, English gentlemen returning to Britain for the test match, and Todhunter, an English diplomat larking about with his mistress and Dr. Egon Hartz. ........

Source: Wikipedia