The Gallant Hours is a semi-documentary dramatization chronicling five pivotal weeks in the life of Vice Admiral William F. "Bull" Halsey, Jr. The film follows Halsey from his assignment to command U.S. naval operations in the South Pacific through to the Allied victory at Guadalcanal. Cast: - James Cagney as William F. Halsey Jr. - Dennis Weaver as Lieutenant Commander Andrew Jefferson "Andy" Lowe III, USN - Ward Costello as Captain Harry Black, USN - Vaughn Taylor as Commander Mike Pulaski, USN - Richard Jaeckel as Lieutenant Commander Roy Webb, USN - Les Tremayne as Captain Frank Enright, USN - Walter Sande as Captain Horace Keys, USN - Karl Swenson as Captain Bill Bailey, USN - Leon Lontoc as Chief Petty Officer Salvador Jesus Maravilla, USN - Robert Burton as Major General Roy Geiger, USMC - Carleton Young as Colonel Evans Carlson, USMC - Raymond Bailey as Major General Archie Vandegrift, USMC - Harry Landers as Captain Joseph "Joe" Foss, USMC - James Yagi as Rear Admiral Jiro Kobe, IJN - James T. Goto as Admiral Isoroku Yamamoto, IJN - Carl Benton Reid as Vice-Admiral Robert Ghormley, USN - Nelson Leigh as Rear Admiral Dan Callaghan, USN (uncredited) - Sydney Smith as Rear Admiral Norm Scott, USN (uncredited) - William Schallert as Captain Thomas G. "Tom" Lanphier Jr., USAAF (uncredited) - John Zaremba as Major General Hubert R. Harmon, USAAF (uncredited) - Herbert Lytton as Admiral George Murray, USN (uncredited) - Richard Carlyle as Father Frederic Gehring - John McKee as Lieutenant Harrison Ludlam, USN (uncredited) - Tyler McVey as Admiral Ernest J. King, USN (uncredited) - Selmer Jackson as Admiral Chester Nimitz, USN (uncredited) - Stuart Randall as Rear Admiral Kelly Turner (uncredited) - Maggie Magennis as Red Cross Nurse Young (uncredited) - Art Gilmore as the narrator (Japanese sequences) - Robert Montgomery as the narrator (American sequences, uncredited) Runtime: 115 minutes.