The Seven-Per-Cent Solution is a 1976 Oscar-nominated British-American mystery film directed by Herbert Ross and written by Nicholas Meyer. It is based on Meyer's 1974 novel of the same name and stars Nicol Williamson, Robert Duvall, Alan Arkin, and Laurence Olivier.

Nicholas Meyer is an American screenwriter, director and author known for his best-selling novel The Seven-Per-Cent Solution, and for directing the films Time After Time, two of the Star Trek feature films, the 1983 television film The Day After, and the 1999 HBO original film Vendetta.