Her father had Irish and Norwegian ancestry, and her mother was from a Jewish immigrant family.
She has also worked as a producer, screenwriter and model.
Nielsen began her acting career working alongside her mother on.
She then moved to outside New York City to test her acting.
Actress Rena was born in Arcadia, California, to Susan Franzblau , a psychology professor, and Martin Sofer, who was a Conservative Jewish Rabbi.
Actress Entrancing, gorgeous Lesley Ann Warren started gearing towards a life in show business right off the bat as a young ballerina who trained at the School of American Ballet at the age of 14.