Margaret Foster is an American film and television actress. Some of her many roles were in the 1979 TV miniseries version of The Scarlet Letter, and the films Ticket to Heaven, The Osterman Weekend, and They Live.

Ticket to Heaven is a 1981 Canadian drama film directed by Ralph L. Thomas and starring Nick Mancuso, Saul Rubinek, Meg Foster, Kim Cattrall, and R.H. Thomson. The plot concerns the recruiting of a man into a group portrayed to be a religious cult, and his life in the group until forcibly extracted by his family and friends. The film is based on the nonfiction book Moonwebs by Josh Freed.