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The working title of this film was Conquest. An August 1952 Hollywood Reporter news item notes that M-G-M originally bought the rights to Harold Jacob Smith's story, and that Henry Berman was to produce the project. According to Hollywood Reporter production charts, The River's Edge was filmed on location in Mexico and New Mexico. Modern sources note that location filming was done in Amecacameca and Itzaccihuati, Mexico. Although an October 1956 Hollywood Reporter news item places Paco Rodrguez and Rodolfo Acosta in the cast, their appearance in the released film has not been confirmed. On Mexican prints, Rafael Portillo was credited as co-director to satisfy a union requirement. The River's Edge opened in Mexico in September 1957 under the title Corrientes traicioneras.