Twelve O’Clock High is a 1949 American war film directed by Henry King and based on the novel of the same name by Sy Bartlett and Beirne Lay, Jr. It stars Gregory Peck as Brig. General Frank Savage. Hugh Marlowe, Gary Merrill, Millard Mitchell, and Dean Jagger also appear in supporting roles.
The film was nominated for four Academy Awards and won two: Dean Jagger for Best Actor in a Supporting Role, and Thomas T. Moulton for Best Sound Recording. In 1998, Twelve O’Clock High was selected for preservation in the United States National Film Registry by the Library of Congress as being “culturally, historically, or aesthetically significant”.
Owner of a company I worked for used this book/movie as management training. He was also a fan of the killer angels and Gettysburg for the same.