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.
| Production | Yoram Globus | Producer |
| Directing | David Paulsen | Director |
| Writing | David Paulsen | Writer |
| Production | Menahem Golan | Producer |
| Art | Kathy Curtis-Cahill | Art Direction |
| Camera | Norman Leigh | Director of Photography |
| Editing | Richard S. Brummer | Editor |
| Editing | Robert Fitzgerald | Editor |
| Sound | Craig Huxley | Original Music Composer |
| Production | Christopher Pearce | Associate Producer |
| Production | Ann Bell | Casting |
| Costume & Make-Up | Erica Ueland | Makeup Artist |
