Steve Shagan is an American novelist, screenplay writer, TV and Movie producer. He was born in 1927 in New York. He wrote the novel, the screenplay and also co produced, Save the Tiger, the 1974 movie, for which Jack Lemmon won the Best Actor Academy Award and Shagan was nominated for Best Adapted Screenplay. He won a Screenwriter's Guild Award for the film.
Shagan went on to write the screenplay and co produce, Voyage of the Damned in 1977 and The Formula in 1980. He also received an Academy Award nomination for Best Adapted Screenplay, for Voyage of the Damned.
His novels include Save the Tiger (1972), City of Angels (1975), The Formula (1979), The Circle (1982), The Discovery (1984) and Vendetta (1986).