An Italian nobleman seeks help after his paralyzed daughter becomes possessed by the spirit of a malevolent ancestress.
| Actor | Role |
|---|---|
 Carla GravinaIppolita Oderisi | Ippolita Oderisi |
 Mel FerrerMassimo Oderisi | Massimo Oderisi |
 Arthur KennedyBishop Ascanio Oderisi | Bishop Ascanio Oderisi |
 George CoulourisFather Mittner | Father Mittner |
 Alida ValliIrene | Irene |
 Mario ScacciaFaith Healer | Faith Healer |
 Umberto OrsiniDr. Marcello Sinibaldi | Dr. Marcello Sinibaldi |
 Anita StrindbergGreta | Greta |
 Remo GironeFilippo Oderisi | Filippo Oderisi |
 Ernesto ColliPossessed Man | Possessed Man |
| BBruno TocciPossessed Man's Friend | Possessed Man's Friend |
| BBeatrice De BonoWoman healed by statue | Woman healed by statue |
| JJohn Francis LaneParty guest | Party guest |
| MMilla JohanssonParty guest (uncredited) | Party guest (uncredited) |
 Lea LanderMariangela | Mariangela |