Already as a toddler, her mother, Faith, and mother's sister Sally, started Robin Morgan as a child model. At the age of five, believed to be four, she got her own program, titled "Little Robin Morgan", on the New York radio station WOR. She was also a regular on the original network radio version of "Juvenile Jury". Her acting career took off when she was eight and started in the TV series "Mama", as Dagmar Hansen, the younger sister in the family depicted in the series. The show premiered on CBS in 1949, starring Peggy Wood, and was a great success.