Karl W. Freund, A.S.C. was a German Bohemian and American cinematographer and film director. He is best known for photographing Metropolis (1927), Dracula (1931), and television's I Love Lucy (1951–1957). Freund was an innovator in the field of cinematography, often noted for pioneering the unchained camera technique, arguably the most important stylistic innovation of the 20th century, setting the stage for some of the most commonly used cinematic techniques of modern contemporary cinema.

Key Largo is a 1948 American film noir crime drama directed by John Huston and starring Humphrey Bogart, Edward G. Robinson and Lauren Bacall. The supporting cast features Lionel Barrymore and Claire Trevor. The film was adapted by Richard Brooks and Huston from Maxwell Anderson's 1939 play of the same name. Key Largo was the fourth and final film pairing of actors Bogart and Bacall, after To Have and Have Not (1944), The Big Sleep (1946), and Dark Passage (1947). Claire Trevor won the 1948 Best Supporting Actress Academy Award for her portrayal of alcoholic former nightclub singer Gaye Dawn.