Rita Hayworth
— Eve Lewis
Rex Harrison
— Jimmy Bourne
Joseph Wiseman
— Jean Marie Calbert
Alida Valli
— Duchess Blanca
Grégoire Aslan
— Dr. Victor Muñoz
Virgílio Teixeira
— Cayetano the Bullfighter
Peter Illing
— Mr. Pickett the Art Expert
Britt Ekland
— Mrs. Pickett
George Rigaud
— Spanish Police Inspector
Gérard Tichy
— Antonio, Prado Museum Guard