State Fair is a 1945 English-language Comedy Drama film directed by Walter Lang and produced by William Perlberg. Farm family Frake, with discontented daughter Margy, head for the Iowa State Fair. On the first day, both Margy and brother Wayne meet attractive new flames; so does father's prize hog, Blue Boy. As the fair proceeds, so do the romances; must lovers separate when the fair closes? Written by Rod Crawford. State fair features Jeanne Crain, Dana Andrews, Dick Haymes, Vivian Blaine, Charles Winninger, Fay Bainter and Valerie Traxler. The screenplay is written by Oscar Hammerstein II , Sonya Levien and Paul Green which is inspired from State Fair by Sonya Levien Paul Green State Fair by Phil Stong. The music was composed by Richard Rodgers. Cinematography was done by Leon Shamroy and editing by J. Watson Webb Jr. The motion picture has a running time of 100 minutes. It was released on 30th August 1945. The film made a box office gross of $4 million. Distribution rights for the film were acquired by 20th Century Fox.