Angela was born in Altrincham, Cheshire, England and moved to Los Angeles, California with her family when she was 3 years old.  She worked as a child fashion model and by the time she was four, Angela was well known by the top photographers and appeared on magazine covers and numerous advertisements.

At the age of 3, she made her film debut in Somebody Up There Likes Me as Paul Newman¹s daughter, another role followed in the movie Something of Value with Rock Hudson.

Danny Thomas signed Angela when she was 4 to play his daughter Linda Williams on the television series Make Room for Daddy. The series ran for 7 years, during which time Angela also starred in Lad: A Dog, a movie for Disney. Following The Danny Thomas series she was cast as Brigitta in the movie The Sound of Music.

In 1965, she was offered the role of Penny Robinson in Lost in Space a television show that ran for 3 years. In the years following, Angela guest starred in numerous television shows, commercials and movies.

Angela married in 1976 and raised two children. In 1981 she wrote a nationally acclaimed book, My Book: A Child's First Journal. She also conceptualized and contributed to Transparent Art, a book on how to use transparencies in art. She has written numerous articles on photography and altered art techniques for art magazines and taught classes on her unique art techniques.

While pursuing her passion for art and photography, Angela authored her book Mixed Emulsions, which explores her hand-painted photography and her unique altered art techniques. Two other books followed,
In This House and In This Garden.

Recently Angela collaborated on The Sound of Music Family Scrapbook with her movie von Trapp siblings from the movie The Sound of Music. Together they gathered their personal photographs, home movies and memorabilia to create a one of a kind scrapbook, sharing their story of making the movie with their fans around the world.

Angela has written numerous articles for magazines on photography and altered art techniques and her art has been licensed for numerous products. She has also pioneered and produced an original  clothing line that incorporates her hand painted photo art images on natural, easy to wear art.wear.