A Lion Is in the Streets is a 1953 American drama film directed by Raoul Walsh and starring James Cagney as a southern politician loosely based on Huey Long. Cagney's brother William was the producer, while his younger sister Jeanne was a member of the cast. The screenplay was based on a 1945 book by Adria Locke Langley. The film has similarities to the 1949 film All the King's Men.