Sylvia, an industrial scientist, is troubled by strange hallucinations related to the tragic suicide of her mother.
| Actor | Role |
|---|---|
 Mimsy FarmerSilvia Hacherman | Silvia Hacherman |
 Maurizio BonugliaRoberto | Roberto |
 Mario ScacciaSignor Rossetti | Signor Rossetti |
| JJho JhenkinsAndy | Andy |
 Niké ArrighiOrchidea | Orchidea |
 Lara WendelYoung Silvia (as Daniela Barnes) | Young Silvia (as Daniela Barnes) |
 Aleka PaiziSignorina Cardini (as Alexandra Paizi) | Signorina Cardini (as Alexandra Paizi) |
 Renata ZamengoMarta - Silvia's Mother | Marta - Silvia's Mother |
 Ugo CarboniMan of the Sect | Man of the Sect |
| RRoberta CadringherThe Antique Dealer | The Antique Dealer |
 Gabriele BentivoglioShop's boy | Shop's boy |
 Luigi Antonio GuerraChemical Worker | Chemical Worker |
 Carla ManciniElisabetta | Elisabetta |
 Donna JordanFrancesca Vincenzi | Francesca Vincenzi |
 Orazio OrlandoNicola | Nicola |
 Aldo VallettiMan of the Sect (uncredited) | Man of the Sect (uncredited) |
 Ugo BallesterCannibal (uncredited) | Cannibal (uncredited) |