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The working title of this film was After Tomorrow. Actress Isabel Withers' first name was incorrectly spelled "Isabele" in the onscreen credits. A Hollywood Reporter production chart includes Charles Judels in the cast, but his appearance in the released film has not been confirmed. Tully Marshall, who had been a well-known stage and film actor for more than forty years, died in March 1943. Behind Prison Walls was his last feature film.