Sherlock Holmes mystiska försvinnande was released in the year 1976。Sherlock Holmes mystiska försvinnande is also called as The Seven-Per-Cent Solution, Sju-procentiga lösningen, Sherlock Holmes: soluzione settepercento, Sherlock Holmes attaque l'orient-express, 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 mystiska försvinnande actors and actresses include Alan Arkin, Joel Grey, Laurence Olivier, Vanessa Redgrave。