Sherlock Holmes attaque l'orient-express was released in the year 1976。Sherlock Holmes attaque l'orient-express is also called as The Seven-Per-Cent Solution, Sju-procentiga lösningen, Sherlock Holmes: soluzione settepercento, Sherlock Holmes mystiska försvinnande, Arvoitusten juna, Kein Koks für Sherlock Holmes。

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 attemts to solve the mysteries of Holmes' subconscious, while Holmes devotes himself to solving a mystery involving the kidnapping of Lola Deveraux.

Sherlock Holmes attaque l'orient-express actors and actresses include Alan Arkin, Joel Grey, Laurence Olivier, Vanessa Redgrave。