 His early credits as art director included "Charley's American Aunt" (1941), and "Belle Starr" (1941), and he and Day won an Oscar for their work on "Valley".Juran also worked on "I Wake Up Screaming" (1941), "A Gentleman at Heart" (1942), "Ten Gentlemen from West Point" (1942), "The Loves of Edgar Allan Poe" (1942), "Dr. Renault's Secret" (1942), "It's Everybody's War" (1942, a short), and "That Other Woman" (1942).Juran enlisted in the Navy during the Second World War in July 1942 and was assigned to first the Office of Strategic Services and then to the Royal Air Force Intelligence Center.