Career
She is known for her roles in television series Phyllis and horror film Halloween III: Season of the Witch. Stephens began her career on stage as a theatre actress. She performed as "Estelle" in the original stage play Father"s Day in 1971.
In 1972 she played the original character "January" in the Broadway production of Grease.
Her role in the musical is perhaps one of her best known performances. She made many television guest appearances throughout her career which lasted almost twenty years.
In 1975 she made her first appearance on the series Wide World Mystery, what followed was another guest role on Columbia Broadcasting System sitcom All in the Family. The following year, Stephens received a leading role on the Golden Globe-winning television sitcom Phyllis, with Cloris Leachman.
The series was the second spin-off from The Mary Tyler Moore Show.
She did not receive another leading role in a television series. From the late seventies until the early nineties, Stephens appeared in several top rated television series including Charlie"s Angels, Family Ties, Falcon Crest and Quantum Leap. During her career, Stephens starred in three feature films.
In 1975 she appeared in The Sunshine Boys with Walter Matthau and George Burns, and Jake"s Missouri She is best known for the role as "Marge Guttman" in the 1982 horror film Halloween III: Season of the Witch, with starred her then-husband Tom Atkins.
Carpenter later offered her the role in Halloween III. Stephens has written for television Her writing credits include Trapper John, Doctor of Medicine, Hotel and Trial by Jury.