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

George Rigaud

Mr. Stanley (as Jorge Rigeaut)

Beni Deus

José Riesgo

Capitán de Scotland Yard

Ramón Ferrer

Eva León

Enfermera

Rosanna Pardo

Saturno Cerra

Ernesto Vañes

Antonio Orengo

Melquiades Álvarez

Francisco Agudín

Félix Acaso

Mr. Decker (voice) (uncredited)

Ángel Ter

Voz del magnetofón (voice) (uncredited)