This was shot back-to-back with Além da Barreira do Tempo (1960). The combined shooting schedule was only two weeks. They became Edgar G. Ulmer's last American films.
The titular character is named Joey Faust, a reference to the classic German legend Johann Georg Faust who sold his soul to the devil in exchange for worldly pleasures.
Final film of lead actress Marguerite Chapman. She continued appearing on television until Daughter of Evil (1977), 17 years later.
At least part of the equipment in the lab, i.e., the sparking machine, appears to have been the same one used in B-movies since the 1930s.