Jones was not cast as Natalie because she looked too similar to star Joanne Woodward.
One of the actresses Warner Bros. boss Jack Warner had in mind if Audrey Hepburn turned down the role of "Eliza Dolittle."
Signed to star in director Frank Capra's remake of his 1933 hit "Lady For a Day," but star Glenn Ford made Capra replace Jones with his then girlfriend.
Shirley Jones was considered for the role of Maria.
Did you know that Shirley Jones was not the only choice for these movies? (click to learn more)