Christopher George character Det. Lt. Bracken
Lynda Day George character Mary Riggs
Frank Braña character Det. Sgt. Holden
Edmund Purdom character The Dean
Ian Sera character Kendall James
Paul L. Smith character Willard
Jack Taylor character Prof. Arthur Brown
Gérard Tichy character Dr. Jennings
May Heatherly character Mrs. Reston
Leticia Marfil character Suzie - Locker Room Victim
Hilda Fuchs character Grace
Isabel Luque character Sylvia Costa (as Isabelle Luque)
Silvia Gambino character Mary, elevator victim
Emilio Linder character Coroner
Pilar Alcón character Girl in Puzzle
Bruce Le character Karate Professor
Cristina Cottrelli character Jenny, pool victim
Roxana Nieto character Virginia Palmer - 1st Victim
Carmen Aguado character Carla - Aerobics Instructor