The Greatest Show on Earth is a 1952 American drama film produced and directed by Cecil B. DeMille, shot in Technicolor and released by Paramount Pictures. Set in the Ringling Bros. and Barnum & Bailey Circus, the film stars Betty Hutton and Cornel Wilde as trapeze artists competing for the center ring and Charlton Heston as the circus manager. James Stewart also stars as a mysterious clown who never removes his makeup, and Dorothy Lamour and Gloria Grahame also play supporting roles.

Cecil Blount DeMille was an American filmmaker and actor. Between 1914 and 1958, he made 70 features, both silent and sound films. He is acknowledged as a founding father of American cinema and the most commercially successful producer-director in film history. His films were distinguished by their epic scale and by his cinematic showmanship. His silent films included social dramas, comedies, Westerns, farces, morality plays, and historical pageants. He was an active Freemason and member of Prince of Orange Lodge #16 in New York City.