Summary: The crew of a Polaris submarine, on a training mission simulating an attack on Russia, is stricken by toxic poisoning. One of the poison's effects is to make its victims hallucinate, and the sub's captain imagines that he has been given an order to actually attack Russia. He prepares to do exactly that (imdb)

Genres: Drama, Suspense/Thriller

Country: Italy, USA

Directed By: Larry Peerce

Written By: Eric Bercovici, Frank M. Robinson

Starring: Sam Waterston, Jonathan Banks, Richard Roundtree, Robert Conrad, Sergio Fantoni, Art LaFleur, Yvette Mimieux, David Soul, William Berger, David Gilliam, Michael Aronin, Trevor Thomas, Ed Bishop, Dennis Holahan

More information at the Internet Movie Database