The Seven-Per-Cent Solution (1976)

• Genres: Adventure, Comedy, Crime
• Released: 1976
• Directors: Herbert Ross
• Casts: Alan Arkin, Vanessa Redgrave, Robert Duvall, Nicol Williamson, Laurence Olivier, Joel Grey, Samantha Eggar, Jeremy Kemp, Charles Gray, Régine, Georgia Brown, Anna Quayle, Jill Townsend, John Bird, Alison Leggatt, Frederick Jaeger, Erik Chitty, Jack May