Based on the German film Fährmann Maria (1936) directed also by Frank Wisbar, one of the rare times that the same director helmed both the American and foreign language version of the same film.
One of the very, very small number of films produced by PRC that are critically regarded as achieving something approaching B-movie status. Its status was enhanced by it's inclusion in William K. Everson's "Classics of the Horror Film" (1974) in which he praised German director Frank Wisbar's work on the film.
This film's earliest documented telecast took place in Cincinnati Friday 2 June 1950 on WKRC (Channel 11).