A group of people are trapped in a theatre and one of them is a killer.
Fernando Rey
Mario
Anna Maria Ferrero
Margarita
Pilar Caballero
Susana
Lina Rosales
Mercedes
Pastor Serrador
Ignacio
Jacques Sernas
Emilio
Roberto Camardiel
Antonio
Lorenzo Robledo
Alberto
Manuel Guitián
Amigo #1
Rufino Inglés
Amigo #2
