Analía Gadé
Desirée Charrier
Jean Sorel
Teniente Barney Holmes
Espartaco Santoni
Dr. Javier Echevarría
José Luis López Vázquez
Terence
Stephen Boyd
León Urrutía, joyero
Mabel Karr
Madame Chantal
G
George Rigaud
Mr. Stanley (as Jorge Rigeaut)
Beni Deus
José Riesgo
Capitán de Scotland Yard
R
Ramón Ferrer
Eva León
Enfermera
R
Rosanna Pardo
Saturno Cerra
E
Ernesto Vañes
A
Antonio Orengo
M
Melquiades Álvarez
F
Francisco Agudín
Félix Acaso
Mr. Decker (voice) (uncredited)
Ángel Ter
Voz del magnetofón (voice) (uncredited)