The book the series is based on "El Diablo me obligó" (The devil made me do it) by F.G. Haghenbeck has it's roots on Mexican Graphic novel "Operaciòn Bolivar" by mexican author Edgar Clement, who has a cameo in the series as the character of "El Bodeguero"
Christopher Von Uckermann who plays Priest/exorcist Francisco Ventura on this series co-starred with Alfonso Herrera in the Hit Mexican series Rebelde (2004), who also plays a Priest/exorcist in the O Exorcista (2016) TV series.