Let There Be Light is a 1946 English-language Documentary War movie written by John Huston, Charles Kaufman and Dimitri Tiomkin. The movie is directed by John Huston and produced by John Huston, Army Pictorial Service, Signal Corps and U.s. War Department. A group of mentally traumatized veteran patients is followed as they go through psychiatric treatment. Let there be light stars Walter Huston in the lead role. The music was composed by Dmitri Tiomkin. Cinematography was done by Stanley Cortez, John Doran, Lloyd Fromm, Joseph Jackman and George Smith and editing by William H. Reynolds and Gene Fowler Jr. The film has a running time of 58 minutes. It was released on 16th December 1980. The film made a box office gross of $0 million. Distribution rights for the movie were acquired by U.S. Army.