As a young teenager, Yvonne showed such promise as a dancer that she was accepted to Denham's Ballet Russe de Monte Carlo.
Actress Gorgeous, brown-eyed, chestnut-maned Sherry Jackson began her promising career as a pig-tailed, pleasant-looking child actress.
At 16 she left home, traveled to Paris and spent a year there and then in Italy before journeying further to England.
Her father had Irish and Norwegian ancestry, and her mother was from a Jewish immigrant family.
When she returned to New York, her dream was to be an international model and then go into acting.