John Sturges Director, Producer George Maharis Lee Barrett Actor Richard Basehart Dr. Gregor Hoffman Actor Anne Francis Ann Williams Actor Dana Andrews Gen. Williams Actor Ed Asner Veretti Actor Frank Sutton Donald Actor John Larkin Dr. Leonard Michaelson Actor Richard Bull Eric Cavanaugh Actor Martin Blaine Henchman Posing Actor John Anderson Agent Reagan Actor Russ Bender Mason (uncredited) Actor Hari Rhodes Lt. Johnson Actor John Clarke Lt. Raskin Actor Simon Oakland Tasserly Actor Henry Backman Dr. Baxter Actor Harold Gould Dr. Ostrer (uncredited) Actor James Hong Dr. Yang Actor James Clavell Screenwriter Edward Anhalt Screenwriter Jerry Goldsmith Original Music Robert Surtees Cinematographer Ferris Webster Film Editing Lynn Stalmaster Casting Herman A. Blumenthal Art Director Charles Vassar Set Decoration