A formal dinner party starts out normally enough, but after the bourgeois group retire to the host’s music room, they inexplicably find themselves unable to leave.
Silvia Pinal
as Leticia 'La Valkiria'
Enrique Rambal
as Edmundo Nóbile
Jacqueline Andere
as Alicia Roc
José Baviera
as Leandro Gómez
Augusto Benedico
as Dr. Carlos Conde
Luis Beristáin
as Cristián Ugalde
Antonio Bravo
as Sergio Russell
Claudio Brook
as Butler Julio
César del Campo
as Col. Álvaro
Bertha Moss
as Leonora
Enrique García Álvarez
as Alberto Roc
Lucy Gallardo
as Lucía Nóbile
