The Mad Doctor of Market Street is a 1942 American horror film produced by Universal Pictures starring Lionel Atwill. The film was a low-budget project that utilized the studio's contract players and gave rising director Joseph H. Lewis an opportunity to demonstrate his versatility with little production money.

Anne Nagel was an American actress. She played in adventures, mysteries, and comedies for 25 years. She also appeared in television series in the 1950s. One book described her as "one of Hollywood's true hard-luck gals".