The Bible verse Mabel tries to recall at the end of the film is John 15:13. "Greater love hath no man than this, that a man lay down his life for his friends."
RKO built a detailed sixteen-room hospital set for this film.
Opening credits music is from King Kong by uncredited Max Steiner.
The "gangland massacre" newspaper headline and story is nearly identical to the St. Valentine's Day Massacre in Chicago in 1929 - seven gangsters lured into a garage and "riddled by machine gun fire".