James Mason as Hendrik van der Zee

Ava Gardner as Pandora Reynolds

Nigel Patrick as Stephen Cameron

Sheila Sim as Janet Fielding

Harold Warrender as Geoffrey Fielding

Mario Cabré as Juan Montalvo

Marius Goring as Reggie Demarest

John Laurie as Angus

Abraham Sofaer as Judge

Patricia Raine as Peggy Ford

Marguerite d'Alvarez as La Senora Montalvo

John La Pillina as Le danseur espagnol

Francisco Igual as Vincente

Guillermo Beltrán Mateos as Le Barman

Lilli Molnar as Geoffrey's Housekeeper

Phoebe Hodgson as Dressmaker

Pamela Mason as Jenny Ford

Gabriel Carmona as Member of Montalvo's Cuadrilla

Antonio Martín as Member of Montalvo's Cuadrilla

Lolita Allergria as Singer, Zanba number (uncredited)

Helen Cleverley as Second nurse (uncredited)

Pepe de la Isla as Guitarist, Zambra number (uncredited)

Christiana Forbes as Nurse (uncredited)

Eddie Leslie as Doctor (uncredited)

Dido Plumb as Crewman (uncredited)

Ricardo Valle as (uncredited)

Gerald Welsh as Assistant doctor (uncredited)