Cast
Jean Marais
Antoine Donadieu
Marisa Mell
Frieda
Howard Vernon
The 'professor'
André Cagnard
Gouferolles
Antonio Casas
Colonel
Víctor Israel
Police Technician
Fernando Guillén
Colonel's Deputy
Carlos Otero
Léon Zitrone
Self
José María Caffarel
Police Technician
Carlos Casaravilla
Varosky
José Manuel Martín
Jaime
Gérard Tichy
Matras
Jean Lara
Pelletier
Álvaro de Luna
Hamlet
Rico López
Alvarez