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