Valentina Cortese
Maria Brentano / Brent / Lena Collins
Serge Reggiani
Louis Balan
Audrey Hepburn
Nora Brentano
Reginald Tate
Inspector Eliot
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
Hugo Schuster
General Galbern
Louis Mansi
Member of Paris Committee
John Gabriel
Member of Paris Committee
Olga Landiak
Member of Paris Committee
Frederick Schiller
Galbern's Bodyguard
Phaedros Antonio
Galbern's Bodyguard
Derek Elphinstone
Plain Clothes Man
Edward Evans
Plain Clothes Man
Ingeborg von Kusserow
Shoe Shop Girl
Bertram Shuttleworth
Little Man
Pamela Harrington
Waitress
Joe Linnane
Irish Police Inspector
Sam Kydd
Irish Police Sergeant
