Den sju-procentiga lösningen
- År: 1976
- Land: United Kingdom, United States of America
- Genre: Mystik, Thriller
- Studio: Herbert Ross Productions, Universal Pictures, Alex Winitsky / Arlene Sellers Productions
- Nyckelord: based on novel or book, kidnapping, drug addiction, cocaine, sigmund freud, orient express, hijacking of train, baron, vienna, austria, hypnotism, 19th century, sherlock holmes
- Direktör: Herbert Ross
- Kasta: Alan Arkin, Vanessa Redgrave, Robert Duvall, Nicol Williamson, Laurence Olivier, Joel Grey