Charles Marquis Warren in a play entitled "No Sun, No Moon", which was staged at Princeton University. Warren decided to go to Hollywood in 1933 when Metro-Goldwyn-Mayer took an option on the play. With the help of his godfather, Warren secured a position as a staff writer for the studio. His early assignments included working on the scripts for "Mutiny on the Bounty" (1935) starring Charles Laughton and Clark Gable, and "Top Hat" (1935) with Fred Astaire and Ginger Rogers. He made the latter film on loan out to RKO Radio Pictures. Warren eventually left Hollywood for New York where he found success
Clark Gable of this reached MGM, studio executives began to badger the Army Air Forces to reassign its most valuable screen actor to noncombat duty. In November 1943, Gable returned to the United States to edit his film, only to find that the personnel shortage of aerial gunners had already been rectified. He was allowed to complete the film anyway, joining the First Motion Picture Unit in Hollywood. In May 1944, Gable was promoted to major. He hoped for another combat assignment, but when the invasion of Normandy came and went in June without any further orders, Gable was relieved from active