- Country: USA
- Genres: Drama
- Release: 1946-09-23
- Director: Edgar G. Ulmer
- Writers: Gina Kaus , Anne Green
- Language: English | French
- Stars: Nancy Coleman , Margaret Lindsay (I) (1910–1981) , Phillip Reed , Felix Bressart
- Runtime: 86 min
- Awards: 1 win
- AKA: Segredo de Irmã (Portugal, Portuguese Republic) , Her Sister's Secret (Canada) , Once and for All (United States of America) , Her Sister's Secret (United Kingdom) , Secreto entre hermanas (Mexico) , El secreto de su hermana (Spain) , Between Two Sisters (United States of America) , Her Sister's Secret (United States of America) , Her Sister's Secret
- Plot: A WWII tale of romance that begins during New Orlean's "Mardi Gras" celebration when a soldier and a girl meet and fall in love. He asks her to marry him but she decides to wait until his next leave. He is sent overseas and she does not receive his letter and feels abandoned, but she does find out she is pregnant. She gives the child to her married sister and does not see her child again for three years. She returns to her sister's home to reclaim the child, and the soldier, who has been searching for her, also turns up. The sister is not interested in giving up the child.
- IMDB:tt0038598
Her Sister’s Secret Cast · · · ALL
Edgar G. Ulmer
Director
Nancy Coleman
Antoinette 'Toni' DuBois
Margaret Lindsay
(I)
(1910–1981)
Renee DuBois Gordon
Phillip Reed
Richard 'Dick' Connolly
Regis Toomey
Bill Gordon
Henry Stephenson
(1871–1956)
Mr. DuBois
Frances E. Williams
Mathilda
Felix Bressart
Pepe
Fritz Feld
Wine Salesman
Winston Severn
Billy
George Meeker
Guy
Helene Heigh
Etta
Bess Flowers
Dancing Patron at Chez Pepe