When Dr. Pieter Fales' patients start receiving ominous letters and getting murdered by an unknown black-clad assailant, he and his daughter both come under suspicion.
Klaus Kinski
Dr. Pieter Fales
Donna Wilkes
Alison Fales
Marianna Hill
Julie
Craig Wasson
Doug
Richard Herd
Donahue
Joe Regalbuto
Jake
Christopher Lloyd
Gilbert
Flo Lawrence
Pat
