Hello Young Lovers, a show tune from 1951, used voice-over by an American sporano whose dubbong was used in what other films?
Hello, Young Lovers (song): "Hello, Young Lovers" is a show tune from the 1951 Rodgers and Hammerstein musical, "The King and I." Marni Nixon:  She was best known for dubbing the singing voices of the leading actresses in films, including "The King and I", "West Side Story", and "My Fair Lady".
"The King and I", "West Side Story", and "My Fair Lady"