크레딧 출연 Christopher George Det. Lt. Bracken Lynda Day George Mary Riggs Frank Braña Det. Sgt. Holden Edmund Purdom The Dean Ian Sera Kendall James Paul L. Smith Willard Jack Taylor Prof. Arthur Brown Gérard Tichy Dr. Jennings May Heatherly Mrs. Reston Leticia Marfil Suzie - Locker Room Victim Hilda Fuchs Grace Isabel Luque Sylvia Costa (as Isabelle Luque) Silvia Gambino Mary, elevator victim Emilio Linder Coroner Pilar Alcón Girl in Puzzle 여소룡 Karate Professor Cristina Cottrelli Jenny, pool victim Roxana Nieto Virginia Palmer - 1st Victim Carmen Aguado Carla - Aerobics Instructor Paco Alvez Alister Schwartz 스텝 Dick Randall Writing Juan Piquer Simón Directing Dick Randall Production Juan Mariné Camera Antonio Gimeno Editing Stelvio Cipriani Sound Librado Pastor Sound Stephen Minasian Production Carlo Maria Cordio Sound Basilio Cortijo Crew Roberto Loyola Writing Pedro Camacho Costume & Make-Up Julio Bragado Darman Camera Manuel Pinilla Directing José Luis Martínez Lighting Alicia Regueiro Costume & Make-Up Gonzalo Gonzalo Costume & Make-Up Juan Jesús Escudero Art Gumersindo Andrés Costume & Make-Up José Antonio Villalba Camera Mercedes Marfil Costume & Make-Up Gonzalo Gonzalo Art Francisco Ariza Production Gumersindo Andrés Art