Calificación
Reparto

Valentina Cortese
Maria Brentano / Brent / Lena Collins

Serge Reggiani
Louis Balan

Audrey Hepburn
Nora Brentano

Megs Jenkins
Penny

Irene Worth
Miss Jackson

Reginald Tate
Inspector Eliot

Charles Goldner
Anselmo

Angela Fouldes
Nora Brentano as a child

Simone Silva
Undetermined (Minor Role - Paris Sequence) (uncredited)

Norman Williams
Sergeant Newcome

Michael Shepley
Manager of the British Pavilion

Athene Seyler
Mrs. Reginald Kellick

Sydney Tafler
Syd Burnett

Geoffrey Hibbert
Steenie

John Ruddock
Daly

Michael Allan
Rodd