She wasn't. Her first movie was released in 1948.
Doris Kenyon
Doris Day did not get into movies until 1947 and she never made a movie with Les Brown. Back in those days they made what was called "Soundies." Maybe that is what you are thinking about.
caprice
The only time Doris Day died in a movie was in "Storm Warning' which starred Ronald Reagan and Ginger Rogers.
The movie and song with Sinatra and Doris Day was named "Young At Heart".
Is Doris Day dead
Doris Day uttered those words in "Where Were You When The Lights Went Out."
"Young at Heart" with Doris Day
Doris Brown Heritage was born in 1942.
Doris Pack was born on 1942-03-18.
Doris isn't play Annie Oakley, Betty Hutton does. But Doris recorded all songs from the movie.
By the light of the silvery moon