Carta de una desconocida: Reparto
Joan Fontaine
Lisa Berndle
Louis Jourdan
Stefan Brand
Mady Christians
Frau Berndle
Marcel Journet
Johann Stauffer
Art Smith
John
Carol Yorke
Marie
Howard Freeman
Herr Kastner
John Good
Lt. Leopold von Kaltnegger
Leo B. Pessin
Stefan Jr.
Erskine Sanford
Porter
Otto Waldis
Concierge
Sonja Bryden
Frau Spitzer
Patricia Alphin
Pretty Girl (uncredited)
Harry Anderson
Minor Role (uncredited)
Edit Angold
Middle-Aged Woman (uncredited)
Betty Blythe
Frau Kohner (uncredited)
Gabrielle Windsor
Ballet Girl (uncredited)
June Wood
Cashier (uncredited)
Judith Woodbury
Model (uncredited)
Mary Worth
Musician (uncredited)
Jack Worth
Officer (uncredited)