It was adapted by Abem Finkel and Carl Erickson from the short story "Jan Volkanik" by Judge Michael A. Musmanno and the play Bohunk by Harry R. Irving.
Film tersebut diadaptasi oleh Abem Finkel dan Carl Erickson dari cerita pendek "Jan Volkanik" karya Hakim Michael A. Musmanno dan permainan panggung Bohunk karya Harry R. Irving.