The Seven-Per-Cent Solution (1976)

Concerned about his friend's cocaine use, Dr. Watson tricks Sherlock Holmes into travelling to Vienna, where Holmes enters the care of Sigmund Freud. Freud attempts to solve the mysteries of Holmes' subconscious, while Holmes devotes himself to solving a mystery involving the kidnapping of Lola Deveraux.

Directed by: Herbert Ross

Starring: Alan Arkin, Vanessa Redgrave, Robert Duvall, Nicol Williamson, Laurence Olivier, Joel Grey

Links: IMDb, Movie posters, Movie stills