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
