"A frustrated Boston detective searches for the maniac responsible for mutilating a number of university coeds."
Christopher George
as Det. Lt. Bracken
Lynda Day George
as Mary Riggs
Frank Braña
as Det. Sgt. Holden
Edmund Purdom
as The Dean
Ian Sera
as Kendall James
Paul L. Smith
as Willard
Jack Taylor
as Prof. Arthur Brown
Gérard Tichy
as Dr. Jennings
May Heatherly
as Mrs. Reston
Leticia Marfil
as Suzie - Locker Room Victim
Hilda Fuchs
as Grace
Isabel Luque
as Sylvia Costa (as Isabelle Luque)
Silvia Gambino
as Mary, elevator victim
Emilio Linder
as Coroner
Pilar Alcón
as Girl in Puzzle
Huang Kin-Lung
as Karate Professor
Cristina Cottrelli
as Jenny, pool victim
Roxana Nieto
as Virginia Palmer - 1st Victim
Carmen Aguado
as Carla - Aerobics Instructor
Paco Alvez
as Alister Schwartz
Juan Piquer Simón
Director
Dick Randall
Screenplay
Producer
Juan Mariné
Director of Photography
Stephen Minasian
Stelvio Cipriani
Original Music Composer
Carlo Maria Cordio
Librado Pastor
Antonio Gimeno
Editor
Basilio Cortijo
Special Effects
Roberto Loyola
Writer
Gumersindo Andrés
Set Decoration
Gonzalo Gonzalo
Costume Design
Alicia Regueiro
Hairstylist
Pedro Camacho
Makeup Artist
Francisco Ariza
Production Manager
Manuel Pinilla
Assistant Director
Juan Jesús Escudero
Set Dresser
José Antonio Villalba
Assistant Camera
Julio Bragado Darman
Camera Operator
José Luis Martínez
Gaffer
Mercedes Marfil
Costumer
