Alice Jeanne Faye ( ; '' née '' Leppert ; May 5 , 1915 – May 9 , 1998 ) was an American actress and singer . She sang " You 'll Never Know " , which won its composers the Academy Award for Best Original Song at the 1944 Oscars ceremony . Faye introduced the song in the musical film '' Hello , Frisco , Hello '' ( 1943 )
1944 Oscars ceremony
16th Academy Awards
Alice Faye