Foster was born in Reading, Pennsylvania, on May 10, 1948. She began her acting career in the early 1970s, appearing in small roles in films and television shows. Her big break came in 1981 when she starred in the slasher film "The Burning." She followed this up with a series of successful roles in films such as "Masters of the Universe" and "They Live."
In the 1990s, Foster continued to work steadily in film and television, but her roles were often smaller and less prominent. She has also appeared in a number of horror films, including "The Prophecy" (1995) and "30 Days of Night: Dark Days" (2010).
In recent years, Foster has continued to work in film and television, although her appearances have been less frequent. She had a recurring role in the television series "Once Upon a Time" (2011-2018) and appeared in the films "The Last Exorcism" (2010) and "Ouija: Origin of Evil" (2016).
Overall, Meg Foster has had a successful career in the entertainment industry, spanning several decades and encompassing a wide range of roles.