Analía Gadé

Character: Desirée Charrier

Jean Sorel

Character: Teniente Barney Holmes

Espartaco Santoni

Character: Dr. Javier Echevarría

José Luis López Vázquez

Character: Terence

Stephen Boyd

Character: León Urrutía, joyero

Mabel Karr

Character: Madame Chantal

George Rigaud

Character: Mr. Stanley (as Jorge Rigeaut)

Beni Deus

Character:

José Riesgo

Character: Capitán de Scotland Yard

Ramón Ferrer

Character:

Eva León

Character: Enfermera

Rosanna Pardo

Character:

Saturno Cerra

Character:

Ernesto Vañes

Character:

Antonio Orengo

Character:

Melquiades Álvarez

Character:

Francisco Agudín

Character:

Félix Acaso

Character: Mr. Decker (voice) (uncredited)

Ángel Ter

Character: Voz del magnetofón (voice) (uncredited)