This documentary examines age-old questions about the existence of the Devil and good versus evil, through the life of controversial priest, Father Malachi Martin. It explores Martin's horrifying final case before his mysterious death.
| Actor | Role |
|---|---|
| MMalachi MartinSelf | Self |
| RRichard O'LearyFather Malachi Martin | Father Malachi Martin |
 Art BellSelf | Self |
| RRalph SarchieSelf | Self |
| RRobert MarroSelf | Self |
 Benedict XVISelf (archive footage) | Self (archive footage) |
 Pope John Paul IISelf (archive footage) | Self (archive footage) |
 John Paul I.Self (archive footage) | Self (archive footage) |