Delbert Mann Director Virginia Madsen Betty Stuart Actor Alex Hyde-White Catesby Jones Actor Reed Diamond Leslie Harmon Actor Philip Casnoff Lt. Guilford Actor E.G. Marshall Commdr. Smith Actor Fritz Weaver John Ericsson Actor Leon B. Stevens Capt. Franklin Buchanan Actor Kevin O'Rourke Lt. Joe Smith Jr. Actor Beatrice Bush Opal Actor Joanne Dorian Blossom Actor James Retter Writer Harold Gast Screenwriter Ira Marvin Producer David A. Rosemont Producer Norman Rosemont Producer Allyn Ferguson Original Music William Wages Cinematographer Millie Moore Film Editing Julie Hughes Casting Joe Jennings Production Design Noel Taylor Costume Design